<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ftetf="http://www.ftportfolios.com/20260821"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:oef="http://xbrl.sec.gov/oef/2025"
  xmlns:us-gaap="http://fasb.org/us-gaap/2025"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xhtml="http://www.w3.org/1999/xhtml"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="cik0001329377-20260821.xsd" xlink:type="simple"/>
    <context id="D20251231_20260630_C000029773Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000030350Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000030351Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000030477Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000030478Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000033929Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000033930Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000034137Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000035622Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000037851Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000037913Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000041643Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000047557Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000047627Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000047628Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000078718Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000191287Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000201408Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000222996Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222996Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000222997Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222997Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000238091Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000238354Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000241319Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000244355Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000252251Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000252253Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000257115Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257115Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000257572Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257572Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000261438Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261438Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000261458Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261458Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000264342Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000264342Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000267482Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000267482Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000271152Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271152Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000271975Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271975Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="D20251231_20260630_C000273176Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="DefaultContext">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
        </entity>
        <period>
            <startDate>2025-12-31</startDate>
            <endDate>2026-06-30</endDate>
        </period>
    </context>
    <context id="TI20260630_C000029773Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_DauchCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DauchCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_DeluxeCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DeluxeCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_DouglasDynamicsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DouglasDynamicsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_NWPXInfrastructureIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NWPXInfrastructureIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_OilDriCorpOfAmericaMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:OilDriCorpOfAmericaMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_StokeTherapeuticsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:StokeTherapeuticsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_TETRATechnologiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TETRATechnologiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_UnitedFireGroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:UnitedFireGroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_UniversalInsuranceHoldingsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:UniversalInsuranceHoldingsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000029773Member_USATodayCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000029773Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:USATodayCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_AltriaGroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AltriaGroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_BristolMyersSquibbCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BristolMyersSquibbCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_ChevronCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ChevronCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_ComcastCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ComcastCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_PepsiCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PepsiCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_PfizerIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PfizerIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_PhilipMorrisInternationalIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PhilipMorrisInternationalIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_SouthernTheCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SouthernTheCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_UnitedParcelServiceIncClassBMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:UnitedParcelServiceIncClassBMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030350Member_VerizonCommunicationsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030350Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VerizonCommunicationsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_AppLovinCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AppLovinCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_ASTSpaceMobileIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ASTSpaceMobileIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_EliLillyAndCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EliLillyAndCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_GEVernovaIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:GEVernovaIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_LumentumHoldingsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:LumentumHoldingsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_MedlineIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MedlineIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_SandiskCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SandiskCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_SeagateTechnologyHoldingsPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SeagateTechnologyHoldingsPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_SpaceExplorationTechnologiesCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SpaceExplorationTechnologiesCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030351Member_WarnerBrosDiscoveryIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030351Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:WarnerBrosDiscoveryIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_ASMLHoldingNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ASMLHoldingNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_AsteraLabsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AsteraLabsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_AxonEnterpriseIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AxonEnterpriseIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_DoorDashIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DoorDashIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_KLACorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:KLACorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_LamResearchCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:LamResearchCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_MicronTechnologyIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MicronTechnologyIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_PaloAltoNetworksIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PaloAltoNetworksIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_TeradyneIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TeradyneIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030477Member_WesternDigitalCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030477Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:WesternDigitalCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_AppliedMaterialsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AppliedMaterialsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_ASMLHoldingNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ASMLHoldingNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_AsteraLabsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AsteraLabsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_IntelCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:IntelCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_KLACorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:KLACorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_LamResearchCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:LamResearchCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_MarvellTechnologyIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MarvellTechnologyIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_PaloAltoNetworksIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PaloAltoNetworksIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_SandiskCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SandiskCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000030478Member_TeradyneIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000030478Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TeradyneIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_AlkermesPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AlkermesPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_AxsomeTherapeuticsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AxsomeTherapeuticsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_BiotechnologyMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:BiotechnologyMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_BrukerCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BrukerCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_CorceptTherapeuticsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CorceptTherapeuticsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_HealthCareProvidersAndServicesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:HealthCareProvidersAndServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_IlluminaIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:IlluminaIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_KrystalBiotechIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:KrystalBiotechIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_LifeSciencesToolsAndServicesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:LifeSciencesToolsAndServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_NateraIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NateraIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_NeoGenomicsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NeoGenomicsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_NeurocrineBiosciencesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NeurocrineBiosciencesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_PharmaceuticalsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:PharmaceuticalsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033929Member_VeracyteIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033929Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VeracyteIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_AlphabetIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AlphabetIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_AlphabetIncClassCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AlphabetIncClassCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_AmazonComIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AmazonComIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_AristaNetworksIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AristaNetworksIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_BookingHoldingsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BookingHoldingsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_CiscoSystemsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CiscoSystemsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_MetaPlatformsIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MetaPlatformsIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_NetflixIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NetflixIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_OracleCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:OracleCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000033930Member_SalesforceIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000033930Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SalesforceIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_AgilentTechnologiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AgilentTechnologiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_AutomaticDataProcessingIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AutomaticDataProcessingIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_CincinnatiFinancialCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CincinnatiFinancialCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_CiscoSystemsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CiscoSystemsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_JohnsonAndJohnsonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:JohnsonAndJohnsonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_MerckAndCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MerckAndCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_MonsterBeverageCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MonsterBeverageCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_TRowePriceGroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TRowePriceGroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_UnionPacificCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:UnionPacificCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000034137Member_VisaIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000034137Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VisaIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_AmericanElectricPowerCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AmericanElectricPowerCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_AmgenIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AmgenIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_AxonEnterpriseIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AxonEnterpriseIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_CocaColaEuropacificPartnersPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CocaColaEuropacificPartnersPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_FastenalCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FastenalCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_KeurigDrPepperIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:KeurigDrPepperIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_MonsterBeverageCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MonsterBeverageCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_PACCARIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PACCARIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_TakeTwoInteractiveSoftwareIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TakeTwoInteractiveSoftwareIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000035622Member_VertexPharmaceuticalsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000035622Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VertexPharmaceuticalsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_AllstateTheCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AllstateTheCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_CincinnatiFinancialCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CincinnatiFinancialCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_CommerceBancsharesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CommerceBancsharesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_EastWestBancorpIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EastWestBancorpIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_FifthThirdBancorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FifthThirdBancorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_IDEXCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:IDEXCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_PopularIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PopularIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_RelianceIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RelianceIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_TargaResourcesCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TargaResourcesCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037851Member_ZionsBancorpNAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037851Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ZionsBancorpNAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_BrownAndBrownIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BrownAndBrownIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_ComcastCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ComcastCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_InternationalBusinessMachinesCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:InternationalBusinessMachinesCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_JackHenryAndAssociatesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:JackHenryAndAssociatesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_JohnsonAndJohnsonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:JohnsonAndJohnsonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_LabcorpHoldingsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:LabcorpHoldingsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_MerckAndCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MerckAndCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_ReynoldsConsumerProductsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ReynoldsConsumerProductsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_RLICorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RLICorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_SonocoProductsCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SonocoProductsCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000037913Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000037913Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_AcuityIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AcuityIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_AdvancedEnergyIndustriesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AdvancedEnergyIndustriesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_AllegroMicroSystemsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AllegroMicroSystemsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_BloomEnergyCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BloomEnergyCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_FirstSolarIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FirstSolarIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_MonolithicPowerSystemsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MonolithicPowerSystemsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_ONSemiconductorCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ONSemiconductorCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_RivianAutomotiveIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RivianAutomotiveIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_TeslaIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TeslaIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000041643Member_VicorCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000041643Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VicorCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_DataCenterREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:DataCenterREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_DigitalRealtyTrustIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DigitalRealtyTrustIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_EquinixIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EquinixIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_HealthCareREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:HealthCareREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_IndustrialREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:IndustrialREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_IronMountainIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:IronMountainIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_MorganStanleyInstitutionalLiquidityFundsTreasuryPortfolioInstitutionalClassMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MorganStanleyInstitutionalLiquidityFundsTreasuryPortfolioInstitutionalClassMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_MultiFamilyResidentialREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:MultiFamilyResidentialREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_OtherSpecializedREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:OtherSpecializedREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_PrologisIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PrologisIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_PublicStorageMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PublicStorageMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_RealtyIncomeCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RealtyIncomeCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_RetailREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:RetailREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_SelfStorageREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:SelfStorageREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_SimonPropertyGroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SimonPropertyGroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_SingleFamilyResidentialREITsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:SingleFamilyResidentialREITsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_VentasIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VentasIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047557Member_WelltowerIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047557Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:WelltowerIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_ConocoPhillipsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ConocoPhillipsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_DevonEnergyCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DevonEnergyCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_DiamondbackEnergyIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DiamondbackEnergyIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_EOGResourcesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EOGResourcesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_EQTCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EQTCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_ExpandEnergyCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ExpandEnergyCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_GasUtilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:GasUtilitiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_HessMidstreamLPClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HessMidstreamLPClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_IntegratedOilAndGasMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:IntegratedOilAndGasMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_OccidentalPetroleumCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:OccidentalPetroleumCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_OilAndGasExplorationAndProductionSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:OilAndGasExplorationAndProductionSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_OilAndGasStorageAndTransportationMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:OilAndGasStorageAndTransportationMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_PermianResourcesCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PermianResourcesCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047627Member_WesternMidstreamPartnersLPMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047627Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:WesternMidstreamPartnersLPMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_AgilentTechnologiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AgilentTechnologiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_AmericanWaterWorksCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AmericanWaterWorksCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_FergusonEnterprisesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FergusonEnterprisesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_IDEXCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:IDEXCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_MascoCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MascoCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_MuellerIndustriesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MuellerIndustriesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_RoperTechnologiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RoperTechnologiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_VeraltoCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VeraltoCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_WatersCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:WatersCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000047628Member_XylemIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000047628Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:XylemIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_BankOZKMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BankOZKMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_BanksMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">ftetf:BanksMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_CentralBanCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CentralBanCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_CommerceBancsharesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CommerceBancsharesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_EasternBanksharesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EasternBanksharesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_FirstFinancialBanksharesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FirstFinancialBanksharesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_HancockWhitneyCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HancockWhitneyCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_InternationalBancsharesCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:InternationalBancsharesCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_TFSFinancialCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TFSFinancialCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_UnitedBanksharesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:UnitedBanksharesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000078718Member_WintrustFinancialCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000078718Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:WintrustFinancialCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_AmericanExpressCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AmericanExpressCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_AmgenIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AmgenIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_CaterpillarIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CaterpillarIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_HomeDepotTheIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HomeDepotTheIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_HoneywellInternationalIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HoneywellInternationalIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_JohnsonAndJohnsonMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:JohnsonAndJohnsonMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_MerckAndCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MerckAndCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_SherwinWilliamsTheCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SherwinWilliamsTheCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_TravelersTheCosIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TravelersTheCosIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000191287Member_VisaIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000191287Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:VisaIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_AxonEnterpriseIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AxonEnterpriseIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_BloomEnergyCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BloomEnergyCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_CenteneCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CenteneCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_CredoTechnologyGroupHoldingLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CredoTechnologyGroupHoldingLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_FairIsaacCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FairIsaacCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_FlutterEntertainmentPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FlutterEntertainmentPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_HumanaIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HumanaIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_IntelCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:IntelCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_MarvellTechnologyIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MarvellTechnologyIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_SuperMicroComputerIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SuperMicroComputerIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000201408Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000201408Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222996Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222996Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222996Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222996Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222996Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222996Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222996Member_PurchasedOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:PurchasedOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222996Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222996Member_USTreasuryBillSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:USTreasuryBillSecuritiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222996Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222996Member_WrittenOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:WrittenOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222996Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222997Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222997Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222997Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222997Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222997Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222997Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222997Member_PurchasedOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:PurchasedOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222997Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222997Member_USTreasuryBillSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:USTreasuryBillSecuritiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222997Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000222997Member_WrittenOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:WrittenOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000222997Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_BoeingTheCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BoeingTheCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_GeneralElectricCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:GeneralElectricCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_HEICOCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HEICOCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_HowmetAerospaceIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HowmetAerospaceIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_LockheedMartinCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:LockheedMartinCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_PalantirTechnologiesIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PalantirTechnologiesIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_RocketLabCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RocketLabCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_RTXCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RTXCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_SpaceExplorationTechnologiesCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SpaceExplorationTechnologiesCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238091Member_TransDigmGroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238091Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TransDigmGroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_AmphenolCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AmphenolCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_CadenceDesignSystemsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CadenceDesignSystemsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_CincinnatiFinancialCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CincinnatiFinancialCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_CumminsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CumminsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_EliLillyAndCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EliLillyAndCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_FortinetIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:FortinetIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_IncyteCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:IncyteCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_MonsterBeverageCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:MonsterBeverageCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_NeurocrineBiosciencesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NeurocrineBiosciencesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000238354Member_PaloAltoNetworksIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000238354Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:PaloAltoNetworksIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_CaterpillarIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CaterpillarIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_CFIndustriesHoldingsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CFIndustriesHoldingsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_CumminsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CumminsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_DevonEnergyCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:DevonEnergyCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_EatonCorpPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EatonCorpPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_ElementSolutionsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ElementSolutionsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_HostHotelsAndResortsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HostHotelsAndResortsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_KeysightTechnologiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:KeysightTechnologiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_OvintivIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:OvintivIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000241319Member_ValeroEnergyCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000241319Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ValeroEnergyCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_CenteneCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CenteneCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_ComcastCorpClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ComcastCorpClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_GenDigitalIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:GenDigitalIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_GoDaddyIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:GoDaddyIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_HPIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HPIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_NetAppIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NetAppIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_OmnicomGroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:OmnicomGroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_QUALCOMMIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:QUALCOMMIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_SkyworksSolutionsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SkyworksSolutionsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_TradeDeskTheIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TradeDeskTheIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000244355Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000244355Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_ACMResearchIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ACMResearchIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_CemexSABDeCVADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CemexSABDeCVADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_EmbraerSAADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:EmbraerSAADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_GlencorePLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:GlencorePLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_HyundaiRotemCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:HyundaiRotemCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_SamsungElectronicsCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SamsungElectronicsCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_SKHynixIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SKHynixIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_SKSquareCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SKSquareCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_TaiwanSemiconductorManufacturingCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TaiwanSemiconductorManufacturingCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_TevaPharmaceuticalIndustriesLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TevaPharmaceuticalIndustriesLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252251Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252251Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_BabcockInternationalGroupPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BabcockInternationalGroupPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_CiaDeSaneamentoBasicoDoEstadoDeSaoPauloSABESPADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:CiaDeSaneamentoBasicoDoEstadoDeSaoPauloSABESPADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_ConstellationSoftwareIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:ConstellationSoftwareIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_KioxiaHoldingsCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:KioxiaHoldingsCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_LottomaticaGroupSPAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:LottomaticaGroupSPAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_NebiusGroupNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NebiusGroupNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_RollsRoyceHoldingsPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RollsRoyceHoldingsPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_SiemensEnergyAGMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SiemensEnergyAGMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_TaiwanSemiconductorManufacturingCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TaiwanSemiconductorManufacturingCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_TevaPharmaceuticalIndustriesLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TevaPharmaceuticalIndustriesLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000252253Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000252253Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257115Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257115Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257115Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257115Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257115Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257115Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257115Member_PurchasedOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:PurchasedOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257115Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257115Member_WrittenOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:WrittenOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257115Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257572Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257572Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257572Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257572Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257572Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257572Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257572Member_PurchasedOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:PurchasedOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257572Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000257572Member_WrittenOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:WrittenOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000257572Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261438Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261438Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261438Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261438Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261438Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261438Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261438Member_PurchasedOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:PurchasedOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261438Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261438Member_WrittenOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:WrittenOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261438Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261458Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261458Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261458Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261458Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261458Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261458Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000261458Member_USTreasuryBillSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:USTreasuryBillSecuritiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000261458Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000264342Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000264342Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000264342Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000264342Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000264342Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000264342Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000264342Member_PurchasedOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:PurchasedOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000264342Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000264342Member_WrittenOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:WrittenOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000264342Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000267482Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000267482Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000267482Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000267482Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000267482Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000267482Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000267482Member_PurchasedOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:PurchasedOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000267482Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000267482Member_WrittenOptionsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:WrittenOptionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000267482Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271152Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271152Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271152Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271152Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271152Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271152Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271152Member_USTreasuryBillSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:USTreasuryBillSecuritiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271152Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271975Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271975Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271975Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271975Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271975Member_NetOtherAssetsAndLiabilitiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">ftetf:NetOtherAssetsAndLiabilitiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271975Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000271975Member_USTreasuryBillSecuritiesMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:USTreasuryBillSecuritiesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000271975Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_AlphabetIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:AlphabetIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_BrookdaleSeniorLivingIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:BrookdaleSeniorLivingIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_InteractiveBrokersGroupIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:InteractiveBrokersGroupIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_KioxiaHoldingsCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:KioxiaHoldingsCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_NebiusGroupNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:NebiusGroupNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_RollsRoyceHoldingsPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:RollsRoyceHoldingsPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_SiemensEnergyAGMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:SiemensEnergyAGMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_TaiwanSemiconductorManufacturingCoLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TaiwanSemiconductorManufacturingCoLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_TapestryIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:TapestryIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <context id="TI20260630_C000273176Member_WesternDigitalCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001329377</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetf:C000273176Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetf:WesternDigitalCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2026-06-30</instant>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="Holding">
        <measure>ftetf:Holding</measure>
    </unit>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_HealthcareSectorMember"
      decimals="4"
      id="h_00c22c19_82a4_4b2b_99c8_762d9a1216ce"
      unitRef="pure">0.063</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_0126e5f9_7536_4125_9aa5_65d557c74cb7"
      unitRef="pure">0.018</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_MaterialsSectorMember"
      decimals="4"
      id="h_01686af6_9b0d_41fd_aa2f_5a863f5a6d01"
      unitRef="pure">0.080</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_01821907_d03a_438d_89df_8a8d7f6e8ef4"
      unitRef="pure">0.224</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_02030479_bb13_4833_a97d_3c1b53171cbd"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_02b3ad4c_998a_41b0_a1d1_1042f5568cea"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_EnergySectorMember"
      decimals="4"
      id="h_032f1ae2_6c04_4ba2_a7df_1b4945b977af"
      unitRef="pure">0.053</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_HealthcareSectorMember"
      decimals="4"
      id="h_0428b66d_af31_47d4_9aaf_f7e5356b9a09"
      unitRef="pure">0.011</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_05fbc9da_618c_4a67_a2c5_ed8fe8633221"
      unitRef="pure">0.048</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_HealthcareSectorMember"
      decimals="4"
      id="h_0615579a_666c_4589_96a8_e6836b063492"
      unitRef="pure">0.102</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_EnergySectorMember"
      decimals="4"
      id="h_07d95dcc_b3d6_4654_9757_70ee7ab58fb1"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_0885b3e7_4541_4353_bda7_f83f98d08af8"
      unitRef="pure">0.144</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_IntegratedOilAndGasMember"
      decimals="4"
      id="h_088faaea_41cb_469f_8086_6ebb28a62c83"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_MaterialsSectorMember"
      decimals="4"
      id="h_089336e8_d049_4009_a53a_2d95c00cf16d"
      unitRef="pure">0.057</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_0a5ebca7_528c_4497_ad4b_471e8a0cc686"
      unitRef="pure">0.015</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_LifeSciencesToolsAndServicesMember"
      decimals="4"
      id="h_0a906664_1561_432b_9748_7b380e2f837b"
      unitRef="pure">0.147</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_HealthcareSectorMember"
      decimals="4"
      id="h_0f3e82f1_652f_4f77_94bc_a4f687b71b23"
      unitRef="pure">0.138</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_MaterialsSectorMember"
      decimals="4"
      id="h_12310422_a956_48bb_b39a_dc469bccf836"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_UtilitiesSectorMember"
      decimals="4"
      id="h_1281edad_e031_4a45_9418_7bf523255a95"
      unitRef="pure">0.154</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_153a9b1e_326a_4b4e_8f5b_2dc4ae32d544"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_CommunicationsSectorMember"
      decimals="4"
      id="h_1606b3e7_88cc_4fdd_bd8b_1dd29e7f5f59"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_169f6cdc_780a_40db_8f3b_e289113b85dd"
      unitRef="pure">0.222</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_IndustrialSectorMember"
      decimals="4"
      id="h_17dc44c2_4162_44f8_90ee_4eed77e09dce"
      unitRef="pure">0.121</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_183029d5_9829_40ab_b059_80c0b7f035ae"
      unitRef="pure">0.432</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_HealthcareSectorMember"
      decimals="4"
      id="h_1a52e157_cd33_42ee_8b80_394e9fb041f3"
      unitRef="pure">0.132</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_HealthcareSectorMember"
      decimals="4"
      id="h_1df506b8_ac11_4169_b515_1d8c9e2401dd"
      unitRef="pure">0.172</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_1e2cad51_71e4_4cf4_b970_f393ddb6a5f3"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_1e6c6730_a15c_40bd_bf31_3dc57a9b77f1"
      unitRef="pure">0.151</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_207af234_cab1_4a11_8871_ca7c42d3ce86"
      unitRef="pure">0.290</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_HealthcareSectorMember"
      decimals="4"
      id="h_238ce2bc_8409_40c8_aa69_db907ef5f135"
      unitRef="pure">0.155</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_HealthcareSectorMember"
      decimals="4"
      id="h_244eabbb_7fc5_4501_9a80_1b82e4098b92"
      unitRef="pure">0.127</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_25f04a47_d078_4a34_b0ab_b226ac371a39"
      unitRef="pure">0.083</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_2908eb63_cf32_418f_8ea3_173df3176668"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_296fad7b_e4f3_4473_97ce_371afebb57e6"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_2a5cb7a3_2083_4ea2_a362_764ab0ccce94"
      unitRef="pure">0.019</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_GasUtilitiesMember"
      decimals="4"
      id="h_2b4239bc_68ab_485e_9606_27c562e484a6"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_2d058c51_28ce_4204_b1bf_2c22116d1a20"
      unitRef="pure">0.191</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_2f46a28e_9c56_4e99_bb9f_c8b1894eeff1"
      unitRef="pure">0.067</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_HealthcareSectorMember"
      decimals="4"
      id="h_3165b5ae_185d_494c_bf14_e44059700893"
      unitRef="pure">0.116</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_IndustrialSectorMember"
      decimals="4"
      id="h_33b8e216_2473_4944_91b2_990106465eed"
      unitRef="pure">0.138</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_IndustrialSectorMember"
      decimals="4"
      id="h_34d5c96f_9485_41d2_b43e_45f68310b311"
      unitRef="pure">0.142</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_34e2f3ac_ce97_49a6_af5d_e686838b4192"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_36cef53c_1c68_4eed_8283_de6700854949"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_IndustrialSectorMember"
      decimals="4"
      id="h_370378d9_c90b_4c35_bb94_8b0ec26f30f2"
      unitRef="pure">0.159</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_37caa0e8_d8d1_4417_9c4e_e8bafd318915"
      unitRef="pure">0.047</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_37ccf870_abd0_41f4_93d6_b2ed21546470"
      unitRef="pure">0.186</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_MultiFamilyResidentialREITsMember"
      decimals="4"
      id="h_37fe2909_eabd_4c35_a704_b75fa9b1a0b7"
      unitRef="pure">0.083</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_38b59d81_4561_44ab_ac79_f5500be33eaf"
      unitRef="pure">0.167</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_CommunicationsSectorMember"
      decimals="4"
      id="h_39dcee39_5527_4da5_8aee_f8c75d3398e0"
      unitRef="pure">0.091</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_3a8d946f_813a_42f1_9d2c_7085d4ab522c"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_IndustrialSectorMember"
      decimals="4"
      id="h_3c08cca3_d1be_427e_bb2a_709d2b0e1e3f"
      unitRef="pure">0.301</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_RealEstateSectorMember"
      decimals="4"
      id="h_45f7ee8e_ef8e_44e5_b023_1c2076c5276d"
      unitRef="pure">0.026</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_48b782cc_abe1_47b8_9851_e4e5c89fe248"
      unitRef="pure">0.130</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_4ad3352e_fe2e_4171_a01f_1d92c45cccfb"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_4d3c5751_3406_427e_b10d_90eb84cf7ccd"
      unitRef="pure">0.057</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_OtherSpecializedREITsMember"
      decimals="4"
      id="h_4d5e3cd2_eb6c_4a98_be4f_d8bb0f070699"
      unitRef="pure">0.082</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_4ed688fd_9284_479a_98e3_258d21889f1e"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_4f34da60_8c95_4c3f_ae91_dec5f434bb0e"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_4f4c921a_517d_4a90_823d_4dfff9959cf1"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_CommunicationsSectorMember"
      decimals="4"
      id="h_4f8cb2bb_9bdc_451d_b556_d16dfdba6980"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_CommunicationsSectorMember"
      decimals="4"
      id="h_51f7949b_79a8_4752_a60a_76a3226c1825"
      unitRef="pure">0.062</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_HealthcareSectorMember"
      decimals="4"
      id="h_52aa614c_bd6e_44c1_bdf8_cf54c814b663"
      unitRef="pure">0.078</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_537526d4_9eb7_4d94_99ff_47573d16acca"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_537f351c_1161_4463_aefc_56de8ec8aa5b"
      unitRef="pure">0.205</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_RealEstateSectorMember"
      decimals="4"
      id="h_53901b46_01fc_4eb7_96d0_65e6d37f6191"
      unitRef="pure">0.081</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_5422bd18_a450_4146_914e_e8c324bfa78a"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_54882327_b3ce_4957_9bc1_9422f6c575a4"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_563627c5_e538_4c76_a2a6_8e6acd5c17d5"
      unitRef="pure">0.308</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_570d168e_fd84_4ed4_9ebd_f08684cb1d58"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_58ea023b_2bf6_4f1d_866d_656074b33e50"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_EnergySectorMember"
      decimals="4"
      id="h_5918bf5e_54e2_4a3f_92b9_c7d769ba4668"
      unitRef="pure">0.062</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_IndustrialSectorMember"
      decimals="4"
      id="h_5a3a0b71_6c66_49e6_8b4e_9df487a82bf9"
      unitRef="pure">0.145</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_5adeb115_d403_4e21_86e7_50905a819c43"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_5bc751d6_ce69_4bd8_a743_e70d7e3eea48"
      unitRef="pure">0.202</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_HealthcareSectorMember"
      decimals="4"
      id="h_5cd47c5b_b4ab_4e34_9d9c_5ec660bf666b"
      unitRef="pure">0.167</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_5da8e091_efda_4197_ba15_6b980580acbc"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_UtilitiesSectorMember"
      decimals="4"
      id="h_5f80bb0e_6f26_4668_9ab6_109ca745f33b"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_CommunicationsSectorMember"
      decimals="4"
      id="h_617b8713_ad2e_4235_9b62_820c91cd562a"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_EnergySectorMember"
      decimals="4"
      id="h_61ee95a2_d437_40b8_83aa_a76c4cd6d2f2"
      unitRef="pure">0.175</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_IndustrialSectorMember"
      decimals="4"
      id="h_64a05b4f_6d29_4963_a6f4_5a10a8f7361f"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_EnergySectorMember"
      decimals="4"
      id="h_64d25204_181d_4adf_b155_13efbefd4316"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_6629b019_389c_4cac_84eb_e0e1f45fb8b1"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_676af060_ddb0_4088_8c0a_614c8a7ad81d"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_69cc6ec1_0f2a_42a6_8b76_e6ab5490b31e"
      unitRef="pure">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_IndustrialSectorMember"
      decimals="4"
      id="h_6ab129a0_f41c_4c77_a303_0c2d0c79c134"
      unitRef="pure">0.224</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_EnergySectorMember"
      decimals="4"
      id="h_6c5d5f2a_8946_403a_93d1_5d1a134ccc61"
      unitRef="pure">0.057</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_EnergySectorMember"
      decimals="4"
      id="h_6c7f66ce_93d7_4949_850a_12ea3796731c"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_EnergySectorMember"
      decimals="4"
      id="h_6d3f4930_b750_4429_a32c_0ea5f6c16808"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_MaterialsSectorMember"
      decimals="4"
      id="h_6d46ba60_e686_4127_bd7c_363f21f0772b"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_CommunicationsSectorMember"
      decimals="4"
      id="h_6d491122_840c_4242_ba01_723db94e38e5"
      unitRef="pure">0.109</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_UtilitiesSectorMember"
      decimals="4"
      id="h_6eb55dd6_952a_4156_91c5_37a723bcf269"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_HealthCareREITsMember"
      decimals="4"
      id="h_6f0ad44e_9f0a_4ff6_9ee5_f323540a6855"
      unitRef="pure">0.209</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_HealthcareSectorMember"
      decimals="4"
      id="h_6f7b6fd9_28c4_455e_a615_f6d4b7591db3"
      unitRef="pure">0.113</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_OilAndGasExplorationAndProductionSectorMember"
      decimals="4"
      id="h_70556e9c_2eb2_4417_9b6f_75f5b46bed04"
      unitRef="pure">0.836</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_HealthCareProvidersAndServicesMember"
      decimals="4"
      id="h_70cadd69_b4ae_4a17_86b9_da6ed1ebbf58"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_IndustrialSectorMember"
      decimals="4"
      id="h_70eb0170_8d5b_493a_a7c4_2bb0dc8a8503"
      unitRef="pure">0.201</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_CommunicationsSectorMember"
      decimals="4"
      id="h_725a2b40_6117_409c_8aa8_2f905cc6912f"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_MaterialsSectorMember"
      decimals="4"
      id="h_727fec62_f04c_48a6_b8f4_e3e4c0366ac4"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_RetailREITsMember"
      decimals="4"
      id="h_74704f8a_4a80_4380_9bc8_83f231530bab"
      unitRef="pure">0.169</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_BiotechnologyMember"
      decimals="4"
      id="h_74e54933_6b96_4fce_81e5_0b66dbd34dab"
      unitRef="pure">0.708</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_76695ffc_25ef_414d_8a08_5afbe3bce968"
      unitRef="pure">0.124</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_78cf95d8_0076_4ff7_bfc4_d6fcd8a40d2b"
      unitRef="pure">0.320</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_DataCenterREITsMember"
      decimals="4"
      id="h_798cfec6_baf3_4b62_8193_4dbd14d23722"
      unitRef="pure">0.088</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_7b810865_8a27_4e4d_b988_e67647211365"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_CommunicationsSectorMember"
      decimals="4"
      id="h_7bc088da_471a_4869_bde5_d5d0cc19699c"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_MaterialsSectorMember"
      decimals="4"
      id="h_7c145511_7df3_44ed_a311_857a0cdcb590"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_IndustrialSectorMember"
      decimals="4"
      id="h_814db64b_45f4_4a33_89e9_9c58c068131f"
      unitRef="pure">0.143</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_8342b602_0aa3_4c7b_a908_bf6bced62872"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_EnergySectorMember"
      decimals="4"
      id="h_8522db5b_6c2a_4af4_a112_a6d1490ef90c"
      unitRef="pure">0.390</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_85704cdc_0024_48b4_abb6_48b32a278af4"
      unitRef="pure">0.160</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_MaterialsSectorMember"
      decimals="4"
      id="h_85ca3d30_d93a_48a1_9679_c8efeeee3445"
      unitRef="pure">0.261</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_88aa5cc8_f140_4043_a8c4_d9b34d7bd832"
      unitRef="pure">0.078</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_CommunicationsSectorMember"
      decimals="4"
      id="h_8944544b_9a48_4044_8a8e_a764f73407f6"
      unitRef="pure">0.085</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_HealthcareSectorMember"
      decimals="4"
      id="h_896f7466_d9c8_443d_8a5b_76f0653c1204"
      unitRef="pure">0.077</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_89f57238_f03e_475d_9920_83a87e0a0e46"
      unitRef="pure">0.052</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_8b169054_b314_4536_b6fb_bde6e253a11c"
      unitRef="pure">0.067</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_8be24387_2155_44be_a63a_6771e49d94f8"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_CommunicationsSectorMember"
      decimals="4"
      id="h_8c56066a_a613_4be7_810d_123262f728b3"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_8df5d38c_30f1_4b93_84e2_e30ecc378b41"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_8f9c44da_1679_4e3c_b9f4_59325bf2168a"
      unitRef="pure">0.898</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_EnergySectorMember"
      decimals="4"
      id="h_9007f687_9bae_455c_a3da_b2bbf709b305"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_904094c2_ff96_4d87_873f_2e07ec849abc"
      unitRef="pure">0.320</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_IndustrialSectorMember"
      decimals="4"
      id="h_90d5f59d_982a_407f_98d3_63d77d3204d8"
      unitRef="pure">0.182</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_UtilitiesSectorMember"
      decimals="4"
      id="h_9169536d_5512_4357_87c6_cc7cfb987630"
      unitRef="pure">0.074</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_938c31a9_99bd_456c_9f78_c2a9a29756b7"
      unitRef="pure">0.156</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_IndustrialSectorMember"
      decimals="4"
      id="h_951f7cca_c769_41f8_b732_44330abdd0d6"
      unitRef="pure">0.175</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_95827787_6028_4cd8_b384_274dcde80d66"
      unitRef="pure">0.015</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_IndustrialSectorMember"
      decimals="4"
      id="h_974c729d_cc4d_4da8_bec4_80fab492565e"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_9f1aa2b3_1cc7_45c1_8662_a8662a1e8240"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_EnergySectorMember"
      decimals="4"
      id="h_9f28bd30_c3c1_438e_beb0_d7de0a765c12"
      unitRef="pure">0.111</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_a1adc238_2d02_44a2_9e76_45f5ec684de7"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_UtilitiesSectorMember"
      decimals="4"
      id="h_a2718f4d_7185_4bd9_b03b_45055680d6a2"
      unitRef="pure">0.177</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_IndustrialSectorMember"
      decimals="4"
      id="h_a35f340a_8c54_4373_a85b_8ae6be711d15"
      unitRef="pure">0.239</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_PharmaceuticalsMember"
      decimals="4"
      id="h_a4c92a7b_b9dc_470a_bd2f_357b79ea1331"
      unitRef="pure">0.093</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_a626d03c_8a87_4745_af67_9cd884e36264"
      unitRef="pure">0.316</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_a652ee91_565f_4c9f_8d5a_33f3ce6176bf"
      unitRef="pure">0.141</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_a6877038_ad85_4d7e_98fd_46dc085b8cc3"
      unitRef="pure">0.142</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_EnergySectorMember"
      decimals="4"
      id="h_a8fb1d01_1a2a_45a9_90fd_cff1ca0d0778"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_MaterialsSectorMember"
      decimals="4"
      id="h_a95e2015_fb17_4bee_9202_6bc62331375d"
      unitRef="pure">0.121</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_CommunicationsSectorMember"
      decimals="4"
      id="h_a9b80c49_6e03_4098_8c8a_1e4df1b8b7be"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_IndustrialSectorMember"
      decimals="4"
      id="h_abc5c2e0_a259_45cd_a5cc_836a3f903cf7"
      unitRef="pure">0.819</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_CommunicationsSectorMember"
      decimals="4"
      id="h_aed91db1_8824_4334_8b71_8ba9b917a925"
      unitRef="pure">0.090</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_b2f1b5cf_2c74_4e69_b6ab_35775e95498c"
      unitRef="pure">0.386</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_b37b9979_37c3_4de3_b063_215e01eed1b2"
      unitRef="pure">0.143</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_IndustrialSectorMember"
      decimals="4"
      id="h_b3f1b53c_5d94_4f23_8c01_bdf3c38b2519"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_EnergySectorMember"
      decimals="4"
      id="h_b4372b17_895c_4a6e_8834_ede3125fda81"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_IndustrialSectorMember"
      decimals="4"
      id="h_b7e53bee_15ea_41dd_a76f_6fa33cc904c2"
      unitRef="pure">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_MaterialsSectorMember"
      decimals="4"
      id="h_b7eee8b8_94a4_41b2_9ad1_975382634976"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_b816f589_7e9f_4106_8725_5612d7b2c1d5"
      unitRef="pure">0.096</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_b950a083_aae6_43be_954a_b0c20184f189"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_MaterialsSectorMember"
      decimals="4"
      id="h_ba2e93d0_1205_420b_b08c_6bcd82fe0eaf"
      unitRef="pure">0.019</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_bb867431_0137_4e19_9a24_619965cac26e"
      unitRef="pure">0.107</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_bc46703c_3357_4cca_856c_3811cf4362a0"
      unitRef="pure">0.149</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_MaterialsSectorMember"
      decimals="4"
      id="h_beae1168_674c_460c_a065_31be7e64f0d1"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_CommunicationsSectorMember"
      decimals="4"
      id="h_beb2e95e_42f1_4052_ba9e_a58cd7f14718"
      unitRef="pure">0.066</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_bf8ba5d0_145c_4240_a575_687317f9c83c"
      unitRef="pure">0.172</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_RealEstateSectorMember"
      decimals="4"
      id="h_c00b706d_5852_404f_ae7c_e9a748366fa2"
      unitRef="pure">0.137</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_IndustrialSectorMember"
      decimals="4"
      id="h_c0bb422e_95cc_439e_bb3b_900b3eaf0401"
      unitRef="pure">0.203</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_c238b6c5_1b07_4ee1_b902_736c1cb9f803"
      unitRef="pure">0.094</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_CommunicationsSectorMember"
      decimals="4"
      id="h_c4338b53_00e1_4d98_930a_e98e1118d45f"
      unitRef="pure">0.252</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_c7438915_a6d3_497e_8728_fa241d817343"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_c8db8a63_c91f_4d82_b462_abda0c863dc5"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_IndustrialSectorMember"
      decimals="4"
      id="h_c94ccf9e_e54c_4206_ae4b_6312027fdc16"
      unitRef="pure">0.092</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_cb5184cf_0b18_41b2_805b_4ae7db768848"
      unitRef="pure">0.084</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_ccfec5c3_ccea_4ee3_9605_feeda4f98a27"
      unitRef="pure">0.257</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_MaterialsSectorMember"
      decimals="4"
      id="h_cd93928d_136c_40be_a821_0035967ee4c2"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_BanksMember"
      decimals="4"
      id="h_cdf11f8e_10aa_4659_8c68_3af97f3fd450"
      unitRef="pure">0.984</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_MaterialsSectorMember"
      decimals="4"
      id="h_ce55c5ba_c253_416d_91af_02df77b9728d"
      unitRef="pure">0.061</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_UtilitiesSectorMember"
      decimals="4"
      id="h_d171ae3c_9dd5_4b9d_a41e_355bd31f97ef"
      unitRef="pure">0.072</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_HealthcareSectorMember"
      decimals="4"
      id="h_d318fb37_6d38_4633_a6fc_f35c8c38cc68"
      unitRef="pure">0.101</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_HealthcareSectorMember"
      decimals="4"
      id="h_d7bfb9c3_d097_4610_a8ba_5ae55ddabd71"
      unitRef="pure">0.182</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_da369994_c634_42c8_99ed_26b2be4f02aa"
      unitRef="pure">0.451</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_da7580d3_ad80_4fe4_a278_f12f3a45bc58"
      unitRef="pure">0.060</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_dbab5be5_a4ec_49b2_a630_25782185910e"
      unitRef="pure">0.566</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_CommunicationsSectorMember"
      decimals="4"
      id="h_dcf3d3de_e0d6_4f0b_8a68_e3dbc474744a"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_HealthcareSectorMember"
      decimals="4"
      id="h_e11971d0_72f3_410c_a745_6bb576edb114"
      unitRef="pure">0.153</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_e13a5a27_583c_40ec_93ac_6c261363e6af"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_IndustrialREITsMember"
      decimals="4"
      id="h_e30f3bb9_18bc_4fb4_8f1e_87dbd15562db"
      unitRef="pure">0.132</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_SingleFamilyResidentialREITsMember"
      decimals="4"
      id="h_e31722ab_d4c2_42ca_98c8_c62172e917fe"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_e8e54d89_f6e5_47bc_9755_40e9b29ab37f"
      unitRef="pure">0.002</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_ea5a037d_4e28_497d_a4b8_2f606184e2f9"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_MaterialsSectorMember"
      decimals="4"
      id="h_ed366f2e_96b0_4db3_9a2d_138ca1a8c737"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_edce698c_e3d5_4e94_9f8c_8512cb05cbe2"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_IndustrialSectorMember"
      decimals="4"
      id="h_efdcfdbb_355b_4c8e_adf0_ac832ea7a659"
      unitRef="pure">0.608</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_OilAndGasStorageAndTransportationMember"
      decimals="4"
      id="h_f067b253_db2c_4854_a6e9_20a2410dc4b7"
      unitRef="pure">0.097</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_IndustrialSectorMember"
      decimals="4"
      id="h_f2a7845f_8b9d_415b_91d7_873e9b13f560"
      unitRef="pure">0.183</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_EnergySectorMember"
      decimals="4"
      id="h_f2d8efab_bbb7_46e6_961b_afc638aa2b4f"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_f3150b33_3da1_4df9_9337_401ae8d7ac6c"
      unitRef="pure">0.131</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_f4cda64b_a304_4122_8511_e7a631476f23"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_f517e350_a935_4a16_b80b_9665d54b1775"
      unitRef="pure">0.244</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_f54df3e7_c9a5_493d_b9d6_bb516ab06c3f"
      unitRef="pure">0.309</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_CommunicationsSectorMember"
      decimals="4"
      id="h_f6261444_d8c4_4ad1_a716_5317dc2e98d9"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_UtilitiesSectorMember"
      decimals="4"
      id="h_f6963e55_8777_44ab_af9b_336c01bc7006"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_SelfStorageREITsMember"
      decimals="4"
      id="h_f9583da1_f234_4084_9cdf_5c64d6165b01"
      unitRef="pure">0.070</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_f9f2238c_5d8a_45aa_bcb3_1aaa5c715222"
      unitRef="pure">0.047</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_fadc5d41_e971_4a2b_a00d_be3fc0062afe"
      unitRef="pure">0.150</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_fcdadc1e_f3bc_4dbe_8153_681d85668834"
      unitRef="pure">0.113</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_fd65c544_5bd2_440b_9adb_554389e355c2"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_fd74262a_1e63_4af5_9685_cda2d0fdf252"
      unitRef="pure">0.088</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_fe307c50_10df_401f_8b15_830b9025e0a3"
      unitRef="pure">0.000</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_UtilitiesSectorMember"
      decimals="4"
      id="h_feb54439_2c05_4858_bba2_b8048eff4129"
      unitRef="pure">0.113</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_HealthcareSectorMember"
      decimals="4"
      id="h_ff16dc9f_22c8_485c_985a_ced371523c67"
      unitRef="pure">0.187</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_EnergySectorMember"
      decimals="4"
      id="h_ffbbb35c_4270_4b1a_b6d7_bf9f62bbf4a6"
      unitRef="pure">0.002</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_ffe1952a_7079_4519_9851_177a80dc80ad"
      unitRef="pure">0.086</oef:PctOfTotalInv>
    <dei:EntityCentralIndexKey
      contextRef="DefaultContext"
      id="h1_9c5f33a3_58cc_402b_9a10_5608c306178d">0001329377</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="DefaultContext"
      id="h3_10bd9bbf_b20e_4a43_9fdd_19c626786d19">false</dei:AmendmentFlag>
    <dei:EntityInvCompanyType
      contextRef="DefaultContext"
      id="h_2_1dd617e4-4dfd-c76c-d9e6-4d4cfcc8c949">N-1A</dei:EntityInvCompanyType>
    <dei:DocumentType
      contextRef="DefaultContext"
      id="t_1_067052dc_ea44_df4e_897e_ba830b569a4e">N-CSRS</dei:DocumentType>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000030477Member"
      id="t_103_21e7f931_9e17_23b4_2c27_f8a8b0170beb">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000030478Member"
      id="t_112_45e9fa21_4fb9_9595_36df_d9b3251bf809">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000035622Member"
      id="t_121_fdd2e3e8_59c3_54e0_1edc_c7d68c522926">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000041643Member"
      id="t_127_edc8bdd4_be7e_6308_b364_0409c53b3f05">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000047557Member"
      id="t_139_59a8e31c_1f2e_4b27_9c22_6bbb00aad430">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000029773Member"
      id="t_14_8e201199_4a80_36df_ef85_575b64e9e664">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000047628Member"
      id="t_148_dc61632a_2adb_c470_8c29_e677b46cb44b">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000047627Member"
      id="t_157_42959465_28e3_9b2b_8d8d_d98c21a6bcb5">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000078718Member"
      id="t_166_9bf7e15b_397a_5c86_b93a_ec2e1f7595cd">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000037851Member"
      id="t_175_ef6ffa78_ae63_4598_e22f_7cdeff6ee4be">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000191287Member"
      id="t_184_e7bab256_761f_554c_573d_a993b8a68722">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000201408Member"
      id="t_192_c008abe1_51f0_fda1_53b3_3ae41b4dfd94">CboeBZX</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000244355Member"
      id="t_202_9aadc12e_4572_17da_f763_6b7b5dea9d3b">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000030350Member"
      id="t_21_d56136b1_d5cd_c614_b4a4_6028b427d2e6">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000222997Member"
      id="t_211_d7907f8f_2503_db34_5019_e7080e74852e">CboeBZX</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000222996Member"
      id="t_220_c3afcd4f_deb4_c12d_0f2e_bf38183be16f">CboeBZX</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000252251Member"
      id="t_229_ee3d3396_d8be_2ec2_07d1_e95a51461895">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000252253Member"
      id="t_238_0637bf8e_e111_a73a_c83f_2a408d83eabd">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000273176Member"
      id="t_246_1fc0c8cc_f630_9ceb_f485_c5b885878f58">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000267482Member"
      id="t_255_888d6c12_aef8_4464_eecb_58a8dd70c543">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000257115Member"
      id="t_268_634eef52_0681_70f4_9809_f4ea0a45752c">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000261438Member"
      id="t_274_ac5bc2ea_daa7_56aa_0e9c_9bf7cdd928f3">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000264342Member"
      id="t_283_d6ae1db2_15c3_2e87_166a_b4a714fd6b63">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000257572Member"
      id="t_292_3a46cd91_4065_423e_eb32_d6ae138731db">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000261458Member"
      id="t_298_d6b87330_72b1_aa1a_bdb6_d6ec905b6b2a">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000030351Member"
      id="t_31_0119fa0d_a968_e4f8_8a96_3a65f18714a7">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000271975Member"
      id="t_310_69428328_d4ca_6b7b_c0e7_5ec088ac9473">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000271152Member"
      id="t_319_2e097082_80b4_74db_f0fa_9b8006155407">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000033929Member"
      id="t_40_a11104ca_fe48_77b0_fd94_2c7276401ea9">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000033930Member"
      id="t_49_678178ac_53b9_45fc_f117_0ae2b41a5876">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000034137Member"
      id="t_58_52e426e1_6ac2_e66f_1289_d07e2ac065a7">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000037913Member"
      id="t_67_dbac51de_7a26_3a7b_f763_e63df5dd8357">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000238354Member"
      id="t_76_b647d7b8_4734_cf90_6f29_0c98f4498a56">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000238091Member"
      id="t_85_d13345ba_dd60_f6f2_1221_d39f7fe00f2f">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20251231_20260630_C000241319Member"
      id="t_94_59e7570b_70e4_df42_d802_ea7427d0ec20">NYSEArca</dei:SecurityExchangeName>
    <dei:EntityRegistrantName
      contextRef="DefaultContext"
      id="t_1_5dc40924_e2df_801d_caef_d8e354f14f09">First Trust Exchange-Traded Fund</dei:EntityRegistrantName>
    <dei:DocumentPeriodEndDate
      contextRef="DefaultContext"
      id="t_2_2a7e1db3_25a6_5e77_5bec_3f0b9adbd123">2026-06-30</dei:DocumentPeriodEndDate>
    <oef:ClassName
      contextRef="D20251231_20260630_C000029773Member"
      id="t_10_ef5c0c51_8451_f5c0_d16e_d25343891167">First Trust Dow Jones Select MicroCap Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000029773Member"
      id="t_11_25a8fc37_aaac_8998_ea25_04b671987526">First Trust Dow Jones Select MicroCap Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000029773Member"
      id="t_12_4702524c_fb0f_f268_0e9c_6700499e3483">FDM</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000029773Member"
      id="t_1_b424d8c0_de5a_40de_b050_64f5fbbf0ff4">This semi-annual shareholder report contains important information about the First Trust Dow Jones Select MicroCap Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000029773Member"
      id="t_2_46da8e52_c26c_49bb_8e1e_f1f9b9165862">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000029773Member"
      id="t_3_44ced963_68f2_4554_bde7_351735382b38">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FDM&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000029773Member"
      id="t_5_6ba7d534_a41a_4418_9946_5ec531673b3b">www.ftportfolios.com/fund-documents/etf/FDM</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000029773Member"
      id="t_6_9ff8bdb5_c413_41d3_b6fe_ce7417a4322c">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000029773Member"
      id="t_4_96e96737_aebf_4bf1_881a_3b609c0ed2bc">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000029773Member"
      id="t_7_151157db_0975_416c_93dd_27cb331f0e09">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Dow Jones Select MicroCap Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;32&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000029773Member"
      decimals="INF"
      id="h_1_15befe9b_7752_4e64_b8b1_27f31b1cd673"
      unitRef="USD">32</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000029773Member"
      decimals="4"
      id="h_2_43aee08c_3d6e_4eb4_a80d_e8e1face4433"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000029773Member"
      id="t_8_8c0d78cd_1e1e_4480_851c_b081f2b8257b">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;265,323,466&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;150&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000029773Member"
      decimals="INF"
      id="h_3_e6d2affa_a3b7_44dd_9553_0b76e6168cd3"
      unitRef="USD">265323466</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000029773Member"
      decimals="INF"
      id="h_4_c2dffd5a_346e_4b80_b8b3_06fc58db23fa"
      unitRef="Holding">150</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000029773Member"
      decimals="4"
      id="h_5_4de70506_4aa4_4712_901f_0bd2b2844cbd"
      unitRef="pure">0.07</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000029773Member"
      id="t_9_900df4ea_3027_4619_b37c_cd83268c4934">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Stoke Therapeutics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;TETRA Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;NWPX Infrastructure, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Dauch Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Douglas Dynamics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;United Fire Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Deluxe Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;USA Today Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Oil-Dri Corp. of America&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Universal Insurance Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151201.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000029773Member"
      id="t_13_65ee35ba_cdc1_7a11_e9df_470de9a89622">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Stoke Therapeutics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;TETRA Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;NWPX Infrastructure, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Dauch Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Douglas Dynamics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;United Fire Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Deluxe Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;USA Today Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Oil-Dri Corp. of America&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Universal Insurance Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_StokeTherapeuticsIncMember"
      decimals="4"
      id="h_6_18f87912_5de0_4242_b729_e42267d8715b"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_TETRATechnologiesIncMember"
      decimals="4"
      id="h_7_ee3cc8d7_c02d_4af4_b8aa_4e967b518b3f"
      unitRef="pure">0.019</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_NWPXInfrastructureIncMember"
      decimals="4"
      id="h_8_92a85114_7c33_4d2d_b786_f40b4073b120"
      unitRef="pure">0.018</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_DauchCorpMember"
      decimals="4"
      id="h_9_fb86dc49_2f15_44d6_8bfb_76fa37769fca"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_DouglasDynamicsIncMember"
      decimals="4"
      id="h_10_ea446de8_5016_44d4_b366_902988d109c9"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_UnitedFireGroupIncMember"
      decimals="4"
      id="h_11_88383734_e3ee_47e1_ae2a_ca1e2d457b8b"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_DeluxeCorpMember"
      decimals="4"
      id="h_12_32237d18_8225_4572_83aa_ad03fc6d9a78"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_USATodayCoIncMember"
      decimals="4"
      id="h_13_e26f56fd_67a1_4e00_9f41_82582f081887"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_OilDriCorpOfAmericaMember"
      decimals="4"
      id="h_14_d4cc6533_7df5_490e_88ed_bdbe481b43ed"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000029773Member_UniversalInsuranceHoldingsIncMember"
      decimals="4"
      id="h_15_5a59ad81_d8de_4298_82d3_6825fc39a2f7"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000030350Member"
      id="t_19_f5b1f936_23d6_9af6_bab1_01f3d34c2d9f">First Trust Morningstar Dividend Leaders Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000030350Member"
      id="t_20_d126c1dc_d29a_f86b_260f_bb8953e4e3af">First Trust Morningstar Dividend Leaders Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000030350Member"
      id="t_21_8266669c_f6e4_eeb3_3922_e30e71a6a34d">FDL</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000030350Member"
      id="t_10_1d05694d_26d2_4a29_9e6e_46d5d96f0805">This semi-annual shareholder report contains important information about the First Trust Morningstar Dividend Leaders Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000030350Member"
      id="t_11_fbd497a4_5952_43a2_992e_459c8fa80d64">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000030350Member"
      id="t_12_b916be0a_3fd3_42a0_9104_b1378f48cec4">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FDL&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000030350Member"
      id="t_14_5bd94c83_a6a2_4490_95a4_56a988b31ac1">www.ftportfolios.com/fund-documents/etf/FDL</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000030350Member"
      id="t_15_848584ec_acfb_4afb_97f8_63e484b5664e">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000030350Member"
      id="t_13_3082aeaa_782c_4cfb_86c7_fdf34c1d5f51">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000030350Member"
      id="t_16_912f718b_89e7_414d_8e7a_a37ecf0fec5e">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Morningstar Dividend Leaders Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;22&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.42&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000030350Member"
      decimals="INF"
      id="h_16_e7bea6f1_44a0_4126_85e4_27325fbfa07c"
      unitRef="USD">22</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000030350Member"
      decimals="4"
      id="h_17_3261a484_ef55_413a_aaac_4c3583c8e550"
      unitRef="pure">0.0042</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000030350Member"
      id="t_17_7e3dd914_060c_44ef_8f80_0bac3e8b3268">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;7,285,797,702&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;101&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;39&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000030350Member"
      decimals="INF"
      id="h_18_7fdbe325_94d6_4d70_ab14_4507544ab10b"
      unitRef="USD">7285797702</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000030350Member"
      decimals="INF"
      id="h_19_3fbc6a22_1325_40c7_8e33_b4672ea13fdb"
      unitRef="Holding">101</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000030350Member"
      decimals="4"
      id="h_20_ea65f5af_7efe_4db8_a250_08b772ab4ef0"
      unitRef="pure">0.39</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030350Member"
      id="t_18_7a294627_93c3_41ad_ae6f_e9d775a3b53c">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Chevron Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Verizon Communications, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Philip Morris International, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Pfizer, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;PepsiCo, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Altria Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bristol-Myers Squibb Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;United Parcel Service, Inc., Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Comcast Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Southern (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151200.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030350Member"
      id="t_22_a0e0d2f5_dc5a_a997_994f_1ee02cf630d4">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Chevron Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Verizon Communications, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Philip Morris International, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Pfizer, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;PepsiCo, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Altria Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bristol-Myers Squibb Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;United Parcel Service, Inc., Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Comcast Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Southern (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_ChevronCorpMember"
      decimals="4"
      id="h_21_a1141649_9352_4427_a597_2a69c3a55712"
      unitRef="pure">0.074</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_VerizonCommunicationsIncMember"
      decimals="4"
      id="h_22_ef8ce32a_7bd7_4600_9c00_2eb46287757e"
      unitRef="pure">0.072</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_PhilipMorrisInternationalIncMember"
      decimals="4"
      id="h_23_558320cf_cf57_48a8_a717_5c9ef0cfaba6"
      unitRef="pure">0.061</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_PfizerIncMember"
      decimals="4"
      id="h_24_d1c40790_29e1_4d69_86bb_f9bc5f830b65"
      unitRef="pure">0.059</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_PepsiCoIncMember"
      decimals="4"
      id="h_25_13736870_6624_482f_8da8_e181aa881cf6"
      unitRef="pure">0.048</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_AltriaGroupIncMember"
      decimals="4"
      id="h_26_d36936ad_63d3_4a99_b1f7_27af87f27bae"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_BristolMyersSquibbCoMember"
      decimals="4"
      id="h_27_3aaaade4_7fc0_4aa9_8222_4fc1393ddf02"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_UnitedParcelServiceIncClassBMember"
      decimals="4"
      id="h_28_78e5e224_6a74_4238_91ec_1cf4d81b12a9"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_ComcastCorpClassAMember"
      decimals="4"
      id="h_29_03dedd1f_33db_4bc8_9d68_c30b8515f1e3"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030350Member_SouthernTheCoMember"
      decimals="4"
      id="h_30_6e1382dd_6f4c_4fd0_9be2_03d7e59548ed"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000030351Member"
      id="t_28_37222eb7_a244_9f7b_d391_a30089d35fe7">First Trust US Equity Opportunities ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000030351Member"
      id="t_30_1136e67a_b997_683f_366d_987c00e53c0b">First Trust US Equity Opportunities ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000030351Member"
      id="t_29_52d87d26_e25c_7fce_d4db_64f6d471aac0">FPX</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000030351Member"
      id="t_19_2a5d8ba1_e237_4843_bbff_1f17a1c2538a">This semi-annual shareholder report contains important information about the First Trust US Equity Opportunities ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000030351Member"
      id="t_20_bda427c4_65b3_49df_8fbf_af160ad8b108">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000030351Member"
      id="t_21_cc803891_002a_4c5d_922b_674c23406569">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FPX&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000030351Member"
      id="t_23_b04a8189_78db_44f2_89f5_daccba77ae00">www.ftportfolios.com/fund-documents/etf/FPX</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000030351Member"
      id="t_24_9f4a786a_7e78_4664_9878_6f187d219296">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000030351Member"
      id="t_22_73b27021_6db6_436c_a700_2ba37c25daa2">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000030351Member"
      id="t_25_6df352dd_348b_4fa7_a052_7311ada2a439">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust US Equity Opportunities ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;31&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.56&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&#160;(2)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Excludes any Acquired Fund Fees and Expenses of the&#160;underlying investment companies in which the Fund invests.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000030351Member"
      decimals="INF"
      id="h_31_9622892b_b7c3_4434_b609_7fe2e931feca"
      unitRef="USD">31</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000030351Member"
      decimals="4"
      id="h_32_5eac4a42_cb2b_4da1_892d_aae4967369dc"
      unitRef="pure">0.0056</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000030351Member"
      id="t_26_4a4b465f_0afa_45c2_bfa1_3f82642a9d1c">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;1,670,100,915&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;102&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;46&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000030351Member"
      decimals="INF"
      id="h_33_7f1d39d1_3a7a_458d_b4fd_5cf109317ff0"
      unitRef="USD">1670100915</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000030351Member"
      decimals="INF"
      id="h_34_dfb17cd5_b7c4_4f94_99a3_eb9752792f1b"
      unitRef="Holding">102</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000030351Member"
      decimals="4"
      id="h_35_31414abe_7085_48e0_bf75_6fca3637d90c"
      unitRef="pure">0.46</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030351Member"
      id="t_27_06b9497f_f8fe_430f_a3bf_eafe296e963b">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;GE Vernova, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sandisk Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Seagate Technology Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eli Lilly &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Warner Bros. Discovery, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lumentum Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Medline, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;AppLovin Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;AST SpaceMobile, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Space Exploration Technologies Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151203.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030351Member"
      id="t_31_2392888d_0305_1e74_ffa1_02af8699c1da">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;GE Vernova, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sandisk Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Seagate Technology Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eli Lilly &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Warner Bros. Discovery, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lumentum Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Medline, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;AppLovin Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;AST SpaceMobile, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Space Exploration Technologies Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_GEVernovaIncMember"
      decimals="4"
      id="h_36_97ff0a61_670c_40c0_83b0_3adb9d487809"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_SandiskCorpMember"
      decimals="4"
      id="h_37_cf6a255a_7f92_4291_a4e8_2ed60c840b19"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_SeagateTechnologyHoldingsPLCMember"
      decimals="4"
      id="h_38_690ce8d9_0b22_4843_824f_f244ce6d9ea6"
      unitRef="pure">0.063</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_EliLillyAndCoMember"
      decimals="4"
      id="h_39_4a59ed58_5c9e_40d9_8546_bab7ae576233"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_WarnerBrosDiscoveryIncMember"
      decimals="4"
      id="h_40_5a2b7459_d49a_4329_a41f_0b468d473625"
      unitRef="pure">0.026</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_LumentumHoldingsIncMember"
      decimals="4"
      id="h_41_51367ba8_a9db_4737_a5f2_389c91112b31"
      unitRef="pure">0.026</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_MedlineIncClassAMember"
      decimals="4"
      id="h_42_6541cc4a_591e_4f81_9fbd_38e592b835f5"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_AppLovinCorpClassAMember"
      decimals="4"
      id="h_43_781621b0_38b7_4580_b0e9_ed71bab042e4"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_ASTSpaceMobileIncMember"
      decimals="4"
      id="h_44_10015bde_3bee_4ed8_9033_88c21b4fcf4f"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030351Member_SpaceExplorationTechnologiesCorpClassAMember"
      decimals="4"
      id="h_45_644a2a13_0e07_4c3b_bb7e_be382b878779"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000033929Member"
      id="t_37_cecbc9be_4798_5950_b551_6738a967d6bd">First Trust NYSE&#xae; Arca&#xae; Biotechnology Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000033929Member"
      id="t_38_17553455_058e_2822_4a68_f5fc02fbfb18">First Trust NYSE&#xae; Arca&#xae; Biotechnology Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000033929Member"
      id="t_39_90b4676b_f4f0_da6e_985a_fca4d5264c64">FBT</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000033929Member"
      id="t_28_68021d12_7fb8_457c_a02e_23932b0dde74">This semi-annual shareholder report contains important information about the First Trust NYSE&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Arca&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Biotechnology Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000033929Member"
      id="t_29_0113051a_605a_4c46_aefb_173c87c3e46d">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000033929Member"
      id="t_30_75825318_c64f_4658_99c4_d11187569425">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FBT&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000033929Member"
      id="t_32_8379f2ea_e51f_4f03_9a51_2dc329372991">www.ftportfolios.com/fund-documents/etf/FBT</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000033929Member"
      id="t_33_864722fb_8e5b_4971_b9fa_afdcaeac8c0b">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000033929Member"
      id="t_31_fa9e7352_8c0e_4ddc_9081_61ac65117325">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000033929Member"
      id="t_34_7d5b51f1_8d80_457a_b13a_62915651f606">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust NYSE&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Arca&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Biotechnology Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;29&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.53&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000033929Member"
      decimals="INF"
      id="h_46_8332eee9_631a_46d2_acd6_5f403fb21d1f"
      unitRef="USD">29</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000033929Member"
      decimals="4"
      id="h_47_1841ade3_67c5_4826_95c7_32353fabe2b5"
      unitRef="pure">0.0053</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000033929Member"
      id="t_35_9d238846_3c7f_4b88_a3ff_47865d4543a4">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;2,787,909,609&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;32&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;25&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000033929Member"
      decimals="INF"
      id="h_48_839ef44a_df08_46f7_8693_998849d0ea04"
      unitRef="USD">2787909609</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000033929Member"
      decimals="INF"
      id="h_49_1da62790_e97c_4aa8_88c6_79a7426270a3"
      unitRef="Holding">32</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000033929Member"
      decimals="4"
      id="h_50_ecd46a8a_cb63_45f9_8096_692cd5f23e74"
      unitRef="pure">0.25</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000033929Member"
      id="t_36_fee97324_a5f6_48c7_84c1_2e6176f5ddbf">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Corcept Therapeutics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;NeoGenomics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Veracyte, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bruker Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alkermes PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Illumina, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Krystal Biotech, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Natera, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axsome Therapeutics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Neurocrine Biosciences, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Industry Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151205.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000033929Member"
      id="t_40_d1763032_d8dd_e4d5_7e98_456a999f6429">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Corcept Therapeutics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;NeoGenomics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Veracyte, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bruker Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alkermes PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Illumina, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Krystal Biotech, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Natera, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axsome Therapeutics, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Neurocrine Biosciences, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_CorceptTherapeuticsIncMember"
      decimals="4"
      id="h_51_8f283758_5796_44af_a761_bd6ded5e073a"
      unitRef="pure">0.056</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_NeoGenomicsIncMember"
      decimals="4"
      id="h_52_d82db4fc_9b95_4829_854d_f77f90b15970"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_VeracyteIncMember"
      decimals="4"
      id="h_53_870fa734_e9e1_4926_8502_e804577268e4"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_BrukerCorpMember"
      decimals="4"
      id="h_54_e14e6be6_5f8f_4ac2_b6a3_ecc8e511aa15"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_AlkermesPLCMember"
      decimals="4"
      id="h_55_7422e90f_4b35_49b7_9e74_54091d765e4d"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_IlluminaIncMember"
      decimals="4"
      id="h_56_551f8308_ac03_4c36_b30e_68af9c801f53"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_KrystalBiotechIncMember"
      decimals="4"
      id="h_57_77a3e3dd_e8de_4e82_9673_be57a1772df3"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_NateraIncMember"
      decimals="4"
      id="h_58_e837200d_f506_45cf_a08d_7c01db23449b"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_AxsomeTherapeuticsIncMember"
      decimals="4"
      id="h_59_91a69bfe_e40c_441e_8c99_7bc5232466af"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033929Member_NeurocrineBiosciencesIncMember"
      decimals="4"
      id="h_60_9ac15604_d35e_4fbf_a7bc_292303edbc6c"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000033930Member"
      id="t_46_cf04c6e1_01d7_b1b4_7989_ccab1a206bb1">First Trust Dow Jones Internet Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000033930Member"
      id="t_47_d1c26b21_78c2_429e_f727_107e85448728">First Trust Dow Jones Internet Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000033930Member"
      id="t_48_201495b4_f1ef_b12a_90e6_cb1e290c3f67">FDN</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000033930Member"
      id="t_37_2201e231_1d47_457e_a07c_e8affb6d4af2">This semi-annual shareholder report contains important information about the First Trust Dow Jones Internet Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000033930Member"
      id="t_38_b9c825aa_96ff_4c33_b119_ab36ac1ac7c6">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000033930Member"
      id="t_39_5bea8d36_0e29_4653_ae8b_4876b9975387">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FDN&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000033930Member"
      id="t_41_c126a598_fe85_4a37_84c8_a0efd674d95b">www.ftportfolios.com/fund-documents/etf/FDN</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000033930Member"
      id="t_42_cd647938_4263_4b55_a0f8_f10a8a9e1c22">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000033930Member"
      id="t_40_c871841a_ab91_467c_8dbb_88492e31b091">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000033930Member"
      id="t_43_61622445_fd28_41e2_b743_49da85d2983d">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Dow Jones Internet Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;25&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.50&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000033930Member"
      decimals="INF"
      id="h_61_53f3757c_da25_40a3_b87e_9621f60a6d39"
      unitRef="USD">25</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000033930Member"
      decimals="4"
      id="h_62_06617367_81b7_466c_8207_a82351a08328"
      unitRef="pure">0.0050</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000033930Member"
      id="t_44_75cfe988_f335_40be_a1ff_63fc566a4263">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;4,975,951,522&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;42&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;13&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000033930Member"
      decimals="INF"
      id="h_63_956e7c23_fd2a_473c_abe2_f5b9f9048e17"
      unitRef="USD">4975951522</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000033930Member"
      decimals="INF"
      id="h_64_38ca6b43_bc77_4a90_bb32_8767686b89ff"
      unitRef="Holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000033930Member"
      decimals="4"
      id="h_65_490db1d5_7699_4e64_b109_3af545a36f1e"
      unitRef="pure">0.13</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000033930Member"
      id="t_45_4a3a25ad_8ba6_47aa_9dce_ee8f0a3ffb5c">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;10.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Meta Platforms, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;8.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Arista Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Booking Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Oracle Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alphabet, Inc., Class C&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Salesforce, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Netflix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151207.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000033930Member"
      id="t_49_7701b4b9_9f5e_ba0f_c406_242e44448579">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;10.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Meta Platforms, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;8.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Arista Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Booking Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Oracle Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alphabet, Inc., Class C&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Salesforce, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Netflix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_AmazonComIncMember"
      decimals="4"
      id="h_66_2e2aed91_bc9d_41bb_addb_f3aff7e40a56"
      unitRef="pure">0.100</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_MetaPlatformsIncClassAMember"
      decimals="4"
      id="h_67_1ec13b67_b5fd_4292_8faf_508b1741fa6e"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_CiscoSystemsIncMember"
      decimals="4"
      id="h_68_dd8f1dff_ed36_4bfb_83ab_5f298345378c"
      unitRef="pure">0.085</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_AlphabetIncClassAMember"
      decimals="4"
      id="h_69_a4b58405_f011_4b71_9f3d_8f1cb7b4027b"
      unitRef="pure">0.056</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_AristaNetworksIncMember"
      decimals="4"
      id="h_70_9458a813_94c9_4d62_9e71_816b989185bb"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_BookingHoldingsIncMember"
      decimals="4"
      id="h_71_a2205cd0_e881_40df_a0eb_ddd54d55bf93"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_OracleCorpMember"
      decimals="4"
      id="h_72_1e106c82_730d_43f4_a410_984dff7add7d"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_AlphabetIncClassCMember"
      decimals="4"
      id="h_73_d48d5c85_e83d_4aab_81c1_ca865a593d10"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_SalesforceIncMember"
      decimals="4"
      id="h_74_df3a6f80_4494_4d7d_9c14_26244ccc59d1"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000033930Member_NetflixIncMember"
      decimals="4"
      id="h_75_77623f3c_c85a_406b_9af7_f24bcb22e71c"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000034137Member"
      id="t_55_13d50c4b_ab21_0b34_9310_55677b5c2498">First Trust Capital Strength&#xae; ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000034137Member"
      id="t_56_84ec083c_28a6_995f_c4c9_ec1974d5913a">First Trust Capital Strength&#xae; ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000034137Member"
      id="t_57_0adfffe8_ea16_352f_6711_74c32d676e47">FTCS</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000034137Member"
      id="t_46_0473c299_c969_450a_8dac_be31af5dbfbc">This semi-annual shareholder report contains important information about the First Trust Capital Strength&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000034137Member"
      id="t_47_fcfb2841_b1d0_415e_843f_6ee9b972096d">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000034137Member"
      id="t_48_5e32238a_6f94_4120_b276_f0aaa01986b6">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FTCS&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000034137Member"
      id="t_50_570952f2_02d8_430a_b3d5_057e0214db3d">www.ftportfolios.com/fund-documents/etf/FTCS</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000034137Member"
      id="t_51_bb32f953_1528_4dd9_9b1c_bc6e189b7579">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000034137Member"
      id="t_49_36e7399d_d4af_4a61_b6ce_ba97f2716b60">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000034137Member"
      id="t_52_cbf46014_7de7_46df_afc7_cc57cf334ba3">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Capital Strength&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;27&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.53&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000034137Member"
      decimals="INF"
      id="h_76_fca7ccf8_d620_41c6_a0da_96d490cc4ef0"
      unitRef="USD">27</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000034137Member"
      decimals="4"
      id="h_77_5bdce6a1_7ca2_42ef_a0ec_91fb28d52820"
      unitRef="pure">0.0053</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000034137Member"
      id="t_53_22d42e77_5dad_40e7_935c_4ee0b81b3297">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;7,650,881,174&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;52&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;48&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000034137Member"
      decimals="INF"
      id="h_78_93ae3763_d1f0_467f_b675_494a80c7b6d8"
      unitRef="USD">7650881174</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000034137Member"
      decimals="INF"
      id="h_79_afc18ebd_8006_44dd_90f9_cce5dbd320e0"
      unitRef="Holding">52</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000034137Member"
      decimals="4"
      id="h_80_8ff7d7cc_6053_4903_821f_4fe00f3cf116"
      unitRef="pure">0.48</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000034137Member"
      id="t_54_e6c16589_705f_45fb_8060_3e6dd3dea41f">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monster Beverage Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;T. Rowe Price Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Automatic Data Processing, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cincinnati Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Agilent Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Johnson &amp;amp; Johnson&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Union Pacific Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Visa, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Merck &amp;amp; Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151208.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;&lt;div style="margin-top:1.5em;margin-right:0px;margin-bottom:7.5pt;margin-left:0px;font-family:'times new roman';font-weight:normal;color:rgb(0, 0, 0);font-size:7.5pt;padding-left:1.5em;text-indent:-1.5em;line-height:8.25pt;letter-spacing:0.01pt;"&gt;Any amount shown as 0.0% represents less than 0.1%.&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000034137Member"
      id="t_58_0918ca43_6c95_f5ff_9722_184d6f8d2e85">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monster Beverage Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;T. Rowe Price Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Automatic Data Processing, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cincinnati Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Agilent Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Johnson &amp;amp; Johnson&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Union Pacific Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Visa, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Merck &amp;amp; Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_CiscoSystemsIncMember"
      decimals="4"
      id="h_81_a5f18238_3401_4b5a_800e_d748de406424"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_MonsterBeverageCorpMember"
      decimals="4"
      id="h_82_8f35acdc_913f_4d1d_b92e_acbe0d5abdff"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_TRowePriceGroupIncMember"
      decimals="4"
      id="h_83_f6ac2a57_6966_4fcb_9e30_25d4e592adbd"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_AutomaticDataProcessingIncMember"
      decimals="4"
      id="h_84_91442b11_b00a_48eb_826f_bc0b0a502a7b"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_CincinnatiFinancialCorpMember"
      decimals="4"
      id="h_85_31277242_2071_4561_b9cd_192bcd519a3a"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_AgilentTechnologiesIncMember"
      decimals="4"
      id="h_86_80831873_9b84_4c33_9290_e171d99cc186"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_JohnsonAndJohnsonMember"
      decimals="4"
      id="h_87_2e7b575a_05f1_4d1a_b324_c013b1c46b85"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_UnionPacificCorpMember"
      decimals="4"
      id="h_88_c5507b8f_eede_436a_ae45_f9fd23b881b8"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_VisaIncClassAMember"
      decimals="4"
      id="h_89_67f8a639_c23f_4626_9d31_dae22e772a3d"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000034137Member_MerckAndCoIncMember"
      decimals="4"
      id="h_90_79eb5aaa_88d1_4f45_9001_26f63a29bbce"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000037913Member"
      id="t_64_2a961736_b4fc_fd25_d1f1_ca93bff74029">First Trust Value Line&#xae; Dividend Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000037913Member"
      id="t_65_8da06114_9ac5_08ce_93c4_51c6d69ba684">First Trust Value Line&#xae; Dividend Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000037913Member"
      id="t_66_9b0645d4_8fcd_b45f_7757_a40320aff927">FVD</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000037913Member"
      id="t_55_63dc66e4_f78c_4989_9de9_5cd7e215d42b">This semi-annual shareholder report contains important information about the First Trust Value Line&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Dividend Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000037913Member"
      id="t_56_ca9c5ac6_3d55_413f_81c9_83247444be77">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000037913Member"
      id="t_57_2c351593_4eb7_4741_8d5f_1b9188fbfd48">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FVD&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000037913Member"
      id="t_59_bab36967_eab9_4535_bbe9_18ccf2e32b78">www.ftportfolios.com/fund-documents/etf/FVD</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000037913Member"
      id="t_60_bb085ca1_7513_46fb_aeb1_b56a9fdce7ad">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000037913Member"
      id="t_58_fb422f58_d29b_41f8_810f_d051c3bf88aa">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000037913Member"
      id="t_61_6841cb0a_3b03_4d9e_b291_e5c4dfb6d75e">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Value Line&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Dividend Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;32&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.63&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000037913Member"
      decimals="INF"
      id="h_91_23f45188_b8e4_46b7_b938_db7ef31beffe"
      unitRef="USD">32</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000037913Member"
      decimals="4"
      id="h_92_62352be9_8e2e_49c2_b129_0756a8014f22"
      unitRef="pure">0.0063</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000037913Member"
      id="t_62_9aac3c53_6976_4e64_96e7_f089ab31b9cb">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;8,026,578,089&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;251&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;26&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000037913Member"
      decimals="INF"
      id="h_93_7af92857_81b3_40d4_b8c8_d782c24a2c13"
      unitRef="USD">8026578089</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000037913Member"
      decimals="INF"
      id="h_94_8eb9b667_8f94_447a_a955_615fcb63c32f"
      unitRef="Holding">251</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000037913Member"
      decimals="4"
      id="h_95_c9373913_38f1_48d8_87b2_e8c295dfe423"
      unitRef="pure">0.26</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000037913Member"
      id="t_63_a0e10cee_865a_40b1_8384_e9c2140cc67a">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Reynolds Consumer Products, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;RLI Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sonoco Products Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Jack Henry &amp;amp; Associates, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;International Business Machines Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Merck &amp;amp; Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Brown &amp;amp; Brown, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Labcorp Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Comcast Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Johnson &amp;amp; Johnson&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151209.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000037913Member"
      id="t_67_7731da10_1373_f67a_c8bd_639c97ba10f7">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Reynolds Consumer Products, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;RLI Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sonoco Products Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Jack Henry &amp;amp; Associates, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;International Business Machines Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Merck &amp;amp; Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Brown &amp;amp; Brown, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Labcorp Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Comcast Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Johnson &amp;amp; Johnson&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_ReynoldsConsumerProductsIncMember"
      decimals="4"
      id="h_96_64c39814_9a6a_4c1f_b021_ee1dc37b18f9"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_RLICorpMember"
      decimals="4"
      id="h_97_dae8d367_7f64_4b7d_993f_87678d152e70"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_SonocoProductsCoMember"
      decimals="4"
      id="h_98_4f08299b_cf6b_4bf6_9491_d8e1cfedc011"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_JackHenryAndAssociatesIncMember"
      decimals="4"
      id="h_99_741a7df5_685a_4e15_abec_7aeb1aa955cd"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_InternationalBusinessMachinesCorpMember"
      decimals="4"
      id="h_100_634d258c_9260_4a67_8193_54ac3d1fcebf"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_MerckAndCoIncMember"
      decimals="4"
      id="h_101_7132e2e6_ad29_4e59_a7ad_534e6cca0374"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_BrownAndBrownIncMember"
      decimals="4"
      id="h_102_4494044e_083e_4d5d_a09b_be32198789b9"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_LabcorpHoldingsIncMember"
      decimals="4"
      id="h_103_c12c932d_4de6_4260_86e5_e7663c035205"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_ComcastCorpClassAMember"
      decimals="4"
      id="h_104_ef5a74a0_f10c_48c6_b533_736224fd3b3a"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037913Member_JohnsonAndJohnsonMember"
      decimals="4"
      id="h_105_f19471a0_45ee_4ec0_a1af_53944e65d686"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000238354Member"
      id="t_73_db4a8fcb_c49f_962d_5615_2a82577a9336">First Trust Growth StrengthTM ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000238354Member"
      id="t_74_b5985421_12f4_0c34_5b90_b66258a90820">First Trust Growth StrengthTM ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000238354Member"
      id="t_75_b98c43f1_b3b2_b9db_8a73_94f87eb32c2a">FTGS</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000238354Member"
      id="t_64_b38368d1_43ea_4a12_abee_b565f98b0dc9">This semi-annual shareholder report contains important information about the First Trust Growth Strength&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;TM&lt;/sup&gt; ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000238354Member"
      id="t_65_4376ba86_639c_4e56_8c42_9aa852f6f79d">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000238354Member"
      id="t_66_bd1f0e2b_2241_4e44_bbb5_7e76de0acb07">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FTGS&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000238354Member"
      id="t_68_bad3aa84_9c36_40f7_9a9b_c7ebfeeeb994">www.ftportfolios.com/fund-documents/etf/FTGS</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000238354Member"
      id="t_69_5ac8dff2_d18c_4f9e_8e35_afe0f97ff043">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000238354Member"
      id="t_67_8270c8b1_e36c_44bd_a79c_f0f673f68f53">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000238354Member"
      id="t_70_92a89b01_0f6f_4e68_ac41_bd4d696d5594">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Growth Strength&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;TM&lt;/sup&gt; ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;30&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000238354Member"
      decimals="INF"
      id="h_106_4c72c105_a800_4327_a873_9a45baba45d1"
      unitRef="USD">30</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000238354Member"
      decimals="4"
      id="h_107_977e63c5_878f_4c35_881a_b86f8589692e"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000238354Member"
      id="t_71_f0dcc155_ac87_470a_83be_ae758f050b05">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;1,250,861,509&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;51&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;49&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000238354Member"
      decimals="INF"
      id="h_108_ef392a5b_ac32_4f79_a8eb_9a612b9e61b9"
      unitRef="USD">1250861509</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000238354Member"
      decimals="INF"
      id="h_109_1b2f34ec_4c68_4446_8121_cfa8278c461d"
      unitRef="Holding">51</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000238354Member"
      decimals="4"
      id="h_110_55083a67_a968_4f11_b13e_45f0fec2f93a"
      unitRef="pure">0.49</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000238354Member"
      id="t_72_e73bc5a8_4623_4322_bcf4_916a0a2a9ee2">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fortinet, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eli Lilly &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Neurocrine Biosciences, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monster Beverage Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cadence Design Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amphenol Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Incyte Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cummins, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cincinnati Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151198.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000238354Member"
      id="t_76_75f23603_c697_6787_c830_77bdbcbf531f">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fortinet, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eli Lilly &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Neurocrine Biosciences, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monster Beverage Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cadence Design Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amphenol Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Incyte Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cummins, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cincinnati Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_PaloAltoNetworksIncMember"
      decimals="4"
      id="h_111_aa81fc97_caad_42e6_9f23_0d80232fc8f1"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_FortinetIncMember"
      decimals="4"
      id="h_112_4b87c911_b19a_4d23_aeaa_3d7545762084"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_EliLillyAndCoMember"
      decimals="4"
      id="h_113_6e590b2b_cc3f_48a7_8839_56858fede8fd"
      unitRef="pure">0.026</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_NeurocrineBiosciencesIncMember"
      decimals="4"
      id="h_114_5cff80b9_88ea_48f4_b579_4c662dd3ccd2"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_MonsterBeverageCorpMember"
      decimals="4"
      id="h_115_8eec52a7_95d7_4f95_b399_b01014501a2f"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_CadenceDesignSystemsIncMember"
      decimals="4"
      id="h_116_9dc7070a_e81f_48d6_a93b_54c0d1d77e8e"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_AmphenolCorpClassAMember"
      decimals="4"
      id="h_117_b2b0be0a_e74b_4cbb_8fc5_1c5b36cd1c27"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_IncyteCorpMember"
      decimals="4"
      id="h_118_bc3a126d_bde5_4b56_9f53_08c8268f3f8c"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_CumminsIncMember"
      decimals="4"
      id="h_119_459bf4e7_204b_4981_8520_b59b1e88262c"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238354Member_CincinnatiFinancialCorpMember"
      decimals="4"
      id="h_120_ed83981f_b869_4ef6_8717_563d319052c5"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000238091Member"
      id="t_82_e3981d2e_7641_a5a3_411e_3ecb2854ef7a">First Trust Indxx Aerospace &amp; Defense ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000238091Member"
      id="t_83_3b75b0ba_78dd_0de3_aef8_5364e8d8375f">First Trust Indxx Aerospace &amp; Defense ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000238091Member"
      id="t_84_2365f584_c204_9ed0_25e5_a06bfad2f2e2">MISL</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000238091Member"
      id="t_73_f98485df_35e7_4b42_8836_eadb0a439dc3">This semi-annual shareholder report contains important information about the First Trust Indxx Aerospace &amp;amp; Defense ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000238091Member"
      id="t_74_2db42efd_ca5a_47b7_aa3c_eaadbc21eb75">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000238091Member"
      id="t_75_e4661097_643c_45ea_9981_d8aa5dd9bcdc">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/MISL&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000238091Member"
      id="t_77_6204742f_30f2_4955_9e8e_547e1ee2014e">www.ftportfolios.com/fund-documents/etf/MISL</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000238091Member"
      id="t_78_ad4f87d5_ac78_41c8_8199_f3397e2c12ed">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000238091Member"
      id="t_76_a0fbfa0c_9b71_4d85_865e_19761bd30ef4">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000238091Member"
      id="t_79_261cbb3d_c291_4ff7_b27c_a38b548c0bca">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Indxx Aerospace &amp;amp; Defense ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;31&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000238091Member"
      decimals="INF"
      id="h_121_c9d75757_cbf3_4abe_bdcf_709efa1a1ff0"
      unitRef="USD">31</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000238091Member"
      decimals="4"
      id="h_122_4ff42003_6e32_4983_aed9_db125bb4231a"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000238091Member"
      id="t_80_567132f0_c780_46b0_9e30_e64a4a15047f">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;797,291,040&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;40&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;22&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000238091Member"
      decimals="INF"
      id="h_123_ca56410d_1c41_4765_ae53_30a6c89407f7"
      unitRef="USD">797291040</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000238091Member"
      decimals="INF"
      id="h_124_fd174b9e_ef98_4c89_8511_31a18f11b174"
      unitRef="Holding">40</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000238091Member"
      decimals="4"
      id="h_125_80a4413c_f457_41b8_9d99_ec0be2265c69"
      unitRef="pure">0.22</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000238091Member"
      id="t_81_8d8d6dd2_f1b0_42f9_a2d6_169133396573">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;General Electric Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;8.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Space Exploration Technologies Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Boeing (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;RTX Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palantir Technologies, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lockheed Martin Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rocket Lab Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;HEICO Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;TransDigm Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Howmet Aerospace, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151199.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000238091Member"
      id="t_85_e0500acc_8756_4b2c_f5db_ed539b176c6c">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;General Electric Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;8.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Space Exploration Technologies Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Boeing (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;RTX Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palantir Technologies, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lockheed Martin Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rocket Lab Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;HEICO Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;TransDigm Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Howmet Aerospace, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_GeneralElectricCoMember"
      decimals="4"
      id="h_126_4102f16e_556f_4aa7_84fc_662205e99dab"
      unitRef="pure">0.089</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_SpaceExplorationTechnologiesCorpClassAMember"
      decimals="4"
      id="h_127_1c177ff2_3f57_4cac_b586_8085e05a0680"
      unitRef="pure">0.078</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_BoeingTheCoMember"
      decimals="4"
      id="h_128_acbc70d9_7d75_443e_bd4d_9fd6e8394b8b"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_RTXCorpMember"
      decimals="4"
      id="h_129_0acbb362_9db9_4d10_b644_d0d31b8ede78"
      unitRef="pure">0.069</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_PalantirTechnologiesIncClassAMember"
      decimals="4"
      id="h_130_c8d2fbca_9b93_4409_874a_cdf9659efced"
      unitRef="pure">0.067</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_LockheedMartinCorpMember"
      decimals="4"
      id="h_131_904661c7_4441_4c0a_839b_510498c18ce0"
      unitRef="pure">0.061</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_RocketLabCorpMember"
      decimals="4"
      id="h_132_30b45f1d_640f_47f0_925f_f6ce260072c4"
      unitRef="pure">0.055</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_HEICOCorpMember"
      decimals="4"
      id="h_133_1f41ad07_220c_46cd_bc1a_ced0e8074f27"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_TransDigmGroupIncMember"
      decimals="4"
      id="h_134_1e02a08c_8732_413e_8ad9_8204ca2703a1"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000238091Member_HowmetAerospaceIncMember"
      decimals="4"
      id="h_135_ce75cc38_95a1_48f8_85ab_80d5ba059e5a"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000241319Member"
      id="t_91_a43c05de_4794_0486_08d0_cab0481c3185">First Trust Bloomberg Inflation Sensitive Equity ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000241319Member"
      id="t_92_20c99268_30d8_dfa1_f689_3fd6b9f80bf4">First Trust Bloomberg Inflation Sensitive Equity ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000241319Member"
      id="t_93_55dcdc58_0d97_e8c1_cdc4_2c94b45f8550">FTIF</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000241319Member"
      id="t_82_82b8073d_4ce6_4486_b2cf_e7a8b79bd419">This semi-annual shareholder report contains important information about the First Trust Bloomberg Inflation Sensitive Equity ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000241319Member"
      id="t_83_e38a5a33_d361_467a_925a_d506737b4530">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000241319Member"
      id="t_84_7c59bbe6_bc0a_4b2b_bb9f_561bbaee82db">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FTIF&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000241319Member"
      id="t_86_a08ea726_c975_4afd_869d_baf9ea4e2819">www.ftportfolios.com/fund-documents/etf/FTIF</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000241319Member"
      id="t_87_8b3f579e_f6e0_48c9_82f4_db441105a6fc">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000241319Member"
      id="t_85_db3f72e5_52cf_4398_8d9d_a8f9ba73e5a0">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000241319Member"
      id="t_88_a744a232_f5a2_4f26_87d4_f3fab2c1ff82">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Bloomberg Inflation Sensitive Equity ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;33&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000241319Member"
      decimals="INF"
      id="h_136_df94ca81_50ca_4163_b24e_890842039d66"
      unitRef="USD">33</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000241319Member"
      decimals="4"
      id="h_137_6772d1d0_5e11_4da3_a9d3_95fe7f7bc0aa"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000241319Member"
      id="t_89_b9587703_0db5_4c13_a9b3_d3a65a43b194">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;5,420,843&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;50&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;20&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000241319Member"
      decimals="INF"
      id="h_138_9dcae353_5cdd_447d_8b8f_41dcac22dd68"
      unitRef="USD">5420843</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000241319Member"
      decimals="INF"
      id="h_139_23640a28_0cb3_4780_8e43_d97828dd170d"
      unitRef="Holding">50</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000241319Member"
      decimals="4"
      id="h_140_401c6561_80d6_4dc5_92be_4b81500aa0b0"
      unitRef="pure">0.20</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000241319Member"
      id="t_90_bf3093bb_4b50_41f9_ad89_361d6a817074">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Devon Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Element Solutions, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Caterpillar, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Keysight Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Valero Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;CF Industries Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cummins, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Ovintiv, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eaton Corp. PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Host Hotels &amp;amp; Resorts, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151221.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000241319Member"
      id="t_94_deea0bbf_f51c_4e23_1888_89eb5ddecff5">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Devon Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Element Solutions, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Caterpillar, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Keysight Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Valero Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;CF Industries Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cummins, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Ovintiv, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eaton Corp. PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Host Hotels &amp;amp; Resorts, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_DevonEnergyCorpMember"
      decimals="4"
      id="h_141_2697cbbd_c611_4e1e_8217_5592faacd190"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_ElementSolutionsIncMember"
      decimals="4"
      id="h_142_ebf1bb93_faad_42e0_a65e_64d7554a4384"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_CaterpillarIncMember"
      decimals="4"
      id="h_143_613ff761_de1a_4f84_9492_d3b66db271c1"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_KeysightTechnologiesIncMember"
      decimals="4"
      id="h_144_629502de_daac_4eb1_afc1_25a47e0b96d1"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_ValeroEnergyCorpMember"
      decimals="4"
      id="h_145_14ad0a60_0131_477d_9d5c_3851087d3cf5"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_CFIndustriesHoldingsIncMember"
      decimals="4"
      id="h_146_67da8eb5_e0a9_41a1_85fe_91317891fff8"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_CumminsIncMember"
      decimals="4"
      id="h_147_dbbda75d_dc13_4e61_b4e8_2074b0f8bb2c"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_OvintivIncMember"
      decimals="4"
      id="h_148_53099b8b_883c_4745_889e_b2302cc707e5"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_EatonCorpPLCMember"
      decimals="4"
      id="h_149_6be38cec_c899_41fe_8181_57f805127116"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000241319Member_HostHotelsAndResortsIncMember"
      decimals="4"
      id="h_150_82822fb7_fc75_46b5_a508_00a28a940bf7"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000030477Member"
      id="t_100_ff0ae386_8e96_47d1_94f7_3b0b379dbfb3">First Trust Nasdaq-100 Select Equal Weight ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000030477Member"
      id="t_101_5a361df3_61db_ccd4_51dc_87b3e6468bc0">First Trust Nasdaq-100 Select Equal Weight ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000030477Member"
      id="t_102_73198999_bef0_608c_b7f0_b9df49049430">QQEW</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000030477Member"
      id="t_91_ed63e864_6ef9_49ec_9a34_54f9de4aab01">This semi-annual shareholder report contains important information about the First Trust Nasdaq-100 Select Equal Weight ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000030477Member"
      id="t_92_9f26dbc0_265f_42b7_8ef5_2a315fa9d9d5">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000030477Member"
      id="t_93_43e1f503_348d_4d1a_9d92_05fcd65652c5">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/QQEW&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000030477Member"
      id="t_95_e7b9e308_c1b9_4a74_8d34_5bad5f3e7b6c">www.ftportfolios.com/fund-documents/etf/QQEW</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000030477Member"
      id="t_96_f97d0956_0f87_4a1f_a2bb_47f67a6fd16e">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000030477Member"
      id="t_94_618cee5b_1ffb_437b_a4ae_743fe1bfb9d2">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000030477Member"
      id="t_97_43728ba9_a592_4dda_9bcd_c39e401f04b8">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Nasdaq-100 Select Equal Weight ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;29&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.55&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000030477Member"
      decimals="INF"
      id="h_151_dad3b784_8643_4dfd_8e60_7113c1177a40"
      unitRef="USD">29</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000030477Member"
      decimals="4"
      id="h_152_c4d3c257_33a5_4fc2_b720_306ccb9b3665"
      unitRef="pure">0.0055</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000030477Member"
      id="t_98_846f984a_7b92_4995_be3d_0e979539998b">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;1,813,009,944&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;53&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;37&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000030477Member"
      decimals="INF"
      id="h_153_20839429_3116_4ba5_ad4f_01815be57f84"
      unitRef="USD">1813009944</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000030477Member"
      decimals="INF"
      id="h_154_b69d2300_20b1_4725_add9_9ef36feb35e7"
      unitRef="Holding">53</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000030477Member"
      decimals="4"
      id="h_155_847da1bd_c70c_4be7_897e_9492026ffe8e"
      unitRef="pure">0.37</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030477Member"
      id="t_99_1ce5d3c1_045a_481a_b810_278f17407632">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;KLA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Astera Labs, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lam Research Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teradyne, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axon Enterprise, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ASML Holding N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Western Digital Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Micron Technology, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;DoorDash, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151204.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030477Member"
      id="t_103_413b4739_bdc8_24f4_706a_be4e2873bcc8">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;KLA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Astera Labs, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lam Research Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teradyne, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axon Enterprise, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ASML Holding N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Western Digital Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Micron Technology, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;DoorDash, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_KLACorpMember"
      decimals="4"
      id="h_156_acb3a311_440d_4899_9eef_ad2e3e38aa34"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_AsteraLabsIncMember"
      decimals="4"
      id="h_157_e75cc31d_9bb8_4aef_9ceb_a6815a76c0dc"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_LamResearchCorpMember"
      decimals="4"
      id="h_158_3d10107c_f647_485b_bb36_c8f2c7674d3c"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_TeradyneIncMember"
      decimals="4"
      id="h_159_67c995f9_cb89_4fb2_8f53_722534701869"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_AxonEnterpriseIncMember"
      decimals="4"
      id="h_160_5005212a_8680_4024_b043_e98d36c79e7f"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_ASMLHoldingNVMember"
      decimals="4"
      id="h_161_b3ece067_272c_46db_8535_3f9ca46a22fb"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_PaloAltoNetworksIncMember"
      decimals="4"
      id="h_162_9c0ec85d_b1f4_4f4d_90a4_6643d26a610e"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_WesternDigitalCorpMember"
      decimals="4"
      id="h_163_355d6888_946e_4f2a_a770_7efd5f00d9d2"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_MicronTechnologyIncMember"
      decimals="4"
      id="h_164_6e0b6c4b_8d6d_4fab_a9a2_681de52396d7"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030477Member_DoorDashIncClassAMember"
      decimals="4"
      id="h_165_7094af11_4034_4221_9904_3e5578087fd1"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000030478Member"
      id="t_109_de109d4b_c87b_dba2_0e8a_e3aeefe16025">First Trust NASDAQ-100-Technology Sector Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000030478Member"
      id="t_110_9a5b04e9_39d2_9b54_422a_683d5b3d2fea">First Trust NASDAQ-100-Technology Sector Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000030478Member"
      id="t_111_765f84a3_1c63_30f9_583c_fdf7e75260bd">QTEC</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000030478Member"
      id="t_100_09a2b8b8_2da4_4898_ad3b_6c2871748162">This semi-annual shareholder report contains important information about the First Trust NASDAQ-100-Technology Sector Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000030478Member"
      id="t_101_ad511f5a_4bb5_4640_82fc_315599ab1e98">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000030478Member"
      id="t_102_9611bc81_ae82_46be_9d7d_8097bd6c8d00">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/QTEC&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000030478Member"
      id="t_104_94d140ac_b713_42be_93c7_15c8bd492b65">www.ftportfolios.com/fund-documents/etf/QTEC</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000030478Member"
      id="t_105_8db54afe_aaf6_40f8_bc27_a2f901c5b2ba">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000030478Member"
      id="t_103_44d41f33_9ead_4dc1_9635_0fa442c0d94b">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000030478Member"
      id="t_106_f18794ac_08e3_4d69_9947_f012e6d09a80">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust NASDAQ-100-Technology Sector Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;33&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.55&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000030478Member"
      decimals="INF"
      id="h_166_b0d8fa25_f81c_40c4_b4f5_ff7813a0eed2"
      unitRef="USD">33</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000030478Member"
      decimals="4"
      id="h_167_4d75cf4a_9d40_4bea_9539_5000816b08c8"
      unitRef="pure">0.0055</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000030478Member"
      id="t_107_65326be6_2fdd_43a0_bf6f_6c6fb3b58e34">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;5,025,274,311&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;49&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;25&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000030478Member"
      decimals="INF"
      id="h_168_5a13a5f1_4c0f_40fe_9178_ce263a42d385"
      unitRef="USD">5025274311</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000030478Member"
      decimals="INF"
      id="h_169_4bbd3fbc_f61d_4d0c_a5e0_93df80f77893"
      unitRef="Holding">49</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000030478Member"
      decimals="4"
      id="h_170_c46aa720_52ec_4258_8b79_eaf05fcb7e44"
      unitRef="pure">0.25</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030478Member"
      id="t_108_a981aeec_1433_490d_853f_0bad065e3a93">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Applied Materials, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;KLA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Marvell Technology, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Astera Labs, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lam Research Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sandisk Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teradyne, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ASML Holding N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Intel Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151206.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000030478Member"
      id="t_112_5c82c348_c61d_c88b_31d2_1de89a031291">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Applied Materials, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;KLA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Marvell Technology, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Astera Labs, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lam Research Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sandisk Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teradyne, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ASML Holding N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Intel Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_AppliedMaterialsIncMember"
      decimals="4"
      id="h_171_a00bfd6e_d304_483c_826c_47228c3cfd51"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_KLACorpMember"
      decimals="4"
      id="h_172_249d48cc_2263_4a76_82cb_ac989380cc8f"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_MarvellTechnologyIncMember"
      decimals="4"
      id="h_173_f6e3d64d_aefe_4e77_9b51_480b5f232e5f"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_AsteraLabsIncMember"
      decimals="4"
      id="h_174_0fe4ef56_3a96_4f25_a270_3f0e44fde441"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_LamResearchCorpMember"
      decimals="4"
      id="h_175_aa00d67a_2a3b_46b5_91c8_956135117ce5"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_SandiskCorpMember"
      decimals="4"
      id="h_176_cd700514_5787_41d5_a2ff_65f7183a4407"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_TeradyneIncMember"
      decimals="4"
      id="h_177_3edf8b7e_cbd4_40f9_b625_c897685e6005"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_ASMLHoldingNVMember"
      decimals="4"
      id="h_178_bd65d0f9_eef8_4157_9a12_04afd4f834af"
      unitRef="pure">0.026</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_IntelCorpMember"
      decimals="4"
      id="h_179_9b7a168b_670d_4d84_9113_0d05e23f3beb"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000030478Member_PaloAltoNetworksIncMember"
      decimals="4"
      id="h_180_6fffe55c_0550_4f27_8067_13af37a23cc8"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000035622Member"
      id="t_118_2f69fd85_294b_bbc9_d270_80d3375ebe86">First Trust NASDAQ-100 Ex-Technology Sector Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000035622Member"
      id="t_119_4e109644_7d1d_089d_15cf_e817d2af6776">First Trust NASDAQ-100 Ex-Technology Sector Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000035622Member"
      id="t_120_f2962892_dfcb_ee9f_04ba_26de34cfb1d4">QQXT</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000035622Member"
      id="t_109_d113cd72_8822_462e_a6b7_b2b62166112c">This semi-annual shareholder report contains important information about the First Trust NASDAQ-100 Ex-Technology Sector Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000035622Member"
      id="t_110_5ad79513_c634_49dc_be71_54fcdf213410">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000035622Member"
      id="t_111_353abf9e_c55b_4dfe_be36_adcb8ba88eb5">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/QQXT&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000035622Member"
      id="t_113_c1295280_9a9c_4dfb_bf10_5104c65caa27">www.ftportfolios.com/fund-documents/etf/QQXT</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000035622Member"
      id="t_114_f69adcc1_d206_482d_a3b8_c3e057459c6f">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000035622Member"
      id="t_112_02f839af_6ca6_401c_adc4_fddc84bf441a">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000035622Member"
      id="t_115_e06ac590_9ed3_4729_b38f_6bbf387a5259">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust NASDAQ-100 Ex-Technology Sector Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;30&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000035622Member"
      decimals="INF"
      id="h_181_9a0313e0_b83c_4fa0_ba65_e2eaf3f04bba"
      unitRef="USD">30</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000035622Member"
      decimals="4"
      id="h_182_bb245502_ad32_4c33_8a76_ae398b451843"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000035622Member"
      id="t_116_3f7f44a6_26d6_46cf_ada3_c93a9f65c41c">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;151,284,602&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;56&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;16&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000035622Member"
      decimals="INF"
      id="h_183_09dc8f96_67fb_43ca_8851_231d2dbb6786"
      unitRef="USD">151284602</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000035622Member"
      decimals="INF"
      id="h_184_ad8a718f_5eeb_451b_a72e_dc52911e8545"
      unitRef="Holding">56</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000035622Member"
      decimals="4"
      id="h_185_9cf8231e_6a58_412c_ad99_8d7c21977d27"
      unitRef="pure">0.16</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000035622Member"
      id="t_117_9120dc47_5fe5_483b_a4a0_1faa5e6e0c9d">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axon Enterprise, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Take-Two Interactive Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Vertex Pharmaceuticals, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Coca-Cola Europacific Partners PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monster Beverage Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Keurig Dr Pepper, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;PACCAR, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fastenal Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;American Electric Power Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amgen, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151213.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000035622Member"
      id="t_121_f0453fdf_80cc_a2d8_fdb1_0e170749a7cf">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axon Enterprise, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Take-Two Interactive Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Vertex Pharmaceuticals, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Coca-Cola Europacific Partners PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monster Beverage Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Keurig Dr Pepper, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;PACCAR, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fastenal Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;American Electric Power Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amgen, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_AxonEnterpriseIncMember"
      decimals="4"
      id="h_186_b4ce0cb2_6081_4c98_9199_6f89df5e1694"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_TakeTwoInteractiveSoftwareIncMember"
      decimals="4"
      id="h_187_17ba060a_2e71_4284_937c_e9e257848b4d"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_VertexPharmaceuticalsIncMember"
      decimals="4"
      id="h_188_afcd3be0_396f_4c06_bae4_833830b2b084"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_CocaColaEuropacificPartnersPLCMember"
      decimals="4"
      id="h_189_670cb8b3_1628_493e_823b_ee3803ee3488"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_MonsterBeverageCorpMember"
      decimals="4"
      id="h_190_16b9a1fb_785c_4b88_935d_f3300d7658d7"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_KeurigDrPepperIncMember"
      decimals="4"
      id="h_191_dadcc099_bc56_4e14_b531_eb93265b2fdc"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_PACCARIncMember"
      decimals="4"
      id="h_192_109bae16_52e2_412d_a192_dba6680fcd6d"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_FastenalCoMember"
      decimals="4"
      id="h_193_e52e93e5_f764_4053_81e8_af35e3bdfe3e"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_AmericanElectricPowerCoIncMember"
      decimals="4"
      id="h_194_7de98dc6_6211_4cdc_8a12_1924cd14ad83"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000035622Member_AmgenIncMember"
      decimals="4"
      id="h_195_fed15c23_82a1_4158_92b0_4725760bfe6a"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000041643Member"
      id="t_128_663c7f04_6f8a_0002_1af7_af1f2a04430f">First Trust NASDAQ&#xae; Clean Edge&#xae; Green Energy Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000041643Member"
      id="t_129_8bbb4c5c_b884_c6e0_6d56_9af27e62de9d">First Trust NASDAQ&#xae; Clean Edge&#xae; Green Energy Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000041643Member"
      id="t_127_7b969454_cfb2_99ca_23a8_6732ba129ead">QCLN</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000041643Member"
      id="t_118_06b25891_9776_46ea_8e7e_c999f945be98">This semi-annual shareholder report contains important information about the First Trust NASDAQ&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Clean Edge&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Green Energy Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000041643Member"
      id="t_119_ef8adde4_f793_4d8e_bea1_e79d4c6b37d2">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000041643Member"
      id="t_120_ee2be352_0582_4a3a_9080_75a7f2577832">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/QCLN&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000041643Member"
      id="t_122_e642c37d_0322_4ba5_8dd2_2d11e797b9e7">www.ftportfolios.com/fund-documents/etf/QCLN</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000041643Member"
      id="t_123_2d2b050d_79a4_4723_becc_fd9d6a3dfccc">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000041643Member"
      id="t_121_8d35d64e_3dad_44dc_8c64_98b5af1cbd8e">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000041643Member"
      id="t_124_f0582fb0_f270_46b7_ac6b_809306389d0a">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust NASDAQ&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Clean Edge&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; Green Energy Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;34&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.58&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000041643Member"
      decimals="INF"
      id="h_196_0fc89e13_d47d_4d8c_a88a_932a9a932baa"
      unitRef="USD">34</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000041643Member"
      decimals="4"
      id="h_197_a2cd29f9_0eea_4f75_96cd_6ca2751813e0"
      unitRef="pure">0.0058</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000041643Member"
      id="t_125_1237e07e_3df9_4780_8fb0_4ff5e4266b67">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;842,760,968&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;54&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;20&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000041643Member"
      decimals="INF"
      id="h_198_954f97ea_1700_44d4_bf94_b1c2dfed3453"
      unitRef="USD">842760968</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000041643Member"
      decimals="INF"
      id="h_199_00907fff_deef_42ff_83c4_1fd29fe217cf"
      unitRef="Holding">54</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000041643Member"
      decimals="4"
      id="h_200_efe03e76_ac6d_4f16_a66c_3fe1fc2ba36a"
      unitRef="pure">0.20</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000041643Member"
      id="t_126_f045a44a_99b5_4980_bcd5_4fc523ac270a">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bloom Energy Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Tesla, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;8.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monolithic Power Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ON Semiconductor Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;First Solar, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rivian Automotive, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Advanced Energy Industries, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Allegro MicroSystems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Vicor Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Acuity, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151212.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000041643Member"
      id="t_130_a9e283d0_97f7_adff_d130_f203c88e6574">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bloom Energy Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Tesla, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;8.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Monolithic Power Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ON Semiconductor Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;First Solar, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rivian Automotive, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Advanced Energy Industries, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Allegro MicroSystems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Vicor Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Acuity, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_BloomEnergyCorpClassAMember"
      decimals="4"
      id="h_201_da17e2c0_8d0a_48c8_bb97_dfa48dcd49d3"
      unitRef="pure">0.092</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_TeslaIncMember"
      decimals="4"
      id="h_202_c834952b_6f54_470d_a704_a1f77f57220e"
      unitRef="pure">0.084</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_MonolithicPowerSystemsIncMember"
      decimals="4"
      id="h_203_cc888637_eca9_4a05_b365_11910c173e40"
      unitRef="pure">0.077</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_ONSemiconductorCorpMember"
      decimals="4"
      id="h_204_7f1168eb_9529_4fbf_9ba6_2141f066211c"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_FirstSolarIncMember"
      decimals="4"
      id="h_205_8fd6906f_0974_4e6b_a13a_df922d0fe314"
      unitRef="pure">0.067</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_RivianAutomotiveIncClassAMember"
      decimals="4"
      id="h_206_bc4f5732_1887_4259_9164_7918c8eda91d"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_AdvancedEnergyIndustriesIncMember"
      decimals="4"
      id="h_207_0d752b76_0381_47d6_81eb_c15a2c09cc5a"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_AllegroMicroSystemsIncMember"
      decimals="4"
      id="h_208_382db5ea_341f_40dd_b2be_77c5b96852b8"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_VicorCorpMember"
      decimals="4"
      id="h_209_a9bc91d8_15a8_453c_a3b0_3a44004d4840"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000041643Member_AcuityIncMember"
      decimals="4"
      id="h_210_01392673_211d_4292_8901_8314aa0494be"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000047557Member"
      id="t_136_30e1d23c_0e05_6bbd_fab3_7c0d7b31c641">First Trust S&amp;P REIT Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000047557Member"
      id="t_137_94a3ac3c_dc95_0999_c258_effa534dc64e">First Trust S&amp;P REIT Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000047557Member"
      id="t_138_bc9c8610_1cb4_2c00_7568_e5c2a9250305">FRI</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000047557Member"
      id="t_127_70c93730_b86e_4854_ba25_0f582cf960a8">This semi-annual shareholder report contains important information about the First Trust S&amp;amp;P REIT Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000047557Member"
      id="t_128_120978c7_a89f_4771_bc6e_c3b6f8d63e05">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000047557Member"
      id="t_129_7bce0317_8936_4368_b429_532e2d7a6bed">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FRI&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000047557Member"
      id="t_131_09ffa561_eb15_4d02_8252_706605105179">www.ftportfolios.com/fund-documents/etf/FRI</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000047557Member"
      id="t_132_5d512421_bea4_4e15_86b4_b2c554fc51de">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000047557Member"
      id="t_130_46272678_451c_433c_b970_33ff120d367a">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000047557Member"
      id="t_133_360ec812_7dda_4772_85a1_ef897bc0a446">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust S&amp;amp;P REIT Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;27&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.50&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000047557Member"
      decimals="INF"
      id="h_211_fa0411aa_f6cf_4b1b_b41a_e1287256659a"
      unitRef="USD">27</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000047557Member"
      decimals="4"
      id="h_212_4d6c648c_0515_4f79_a50b_a0352ce72106"
      unitRef="pure">0.0050</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000047557Member"
      id="t_134_1b79386a_3c68_4e85_bfc5_7dd7993a296b">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;180,464,056&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;129&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000047557Member"
      decimals="INF"
      id="h_213_ea8e5d2e_79b0_48b0_bee1_dd55de0987c0"
      unitRef="USD">180464056</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000047557Member"
      decimals="INF"
      id="h_214_246567bc_9024_4d3e_a796_93d0e9592c57"
      unitRef="Holding">129</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000047557Member"
      decimals="4"
      id="h_215_a5b6fa74_563e_42d3_9eff_bd76de2ec543"
      unitRef="pure">0.05</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000047557Member"
      id="t_135_d3afea92_7af0_4ec8_9f22_de2030d6bbc1">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Welltower, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;11.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Prologis, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Simon Property Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Equinix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Digital Realty Trust, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Realty Income Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Morgan Stanley Institutional Liquidity Funds - Treasury Portfolio - Institutional Class&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Public Storage&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Ventas, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Iron Mountain, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;REIT Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151211.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000047557Member"
      id="t_139_143dc2a2_7c52_1014_cce2_e54a7469af70">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Welltower, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;11.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Prologis, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Simon Property Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Equinix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Digital Realty Trust, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Realty Income Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Morgan Stanley Institutional Liquidity Funds - Treasury Portfolio - Institutional Class&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Public Storage&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Ventas, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Iron Mountain, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_WelltowerIncMember"
      decimals="4"
      id="h_216_e63e85bc_22c9_4a6f_9a3f_b2f67d69a031"
      unitRef="pure">0.118</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_PrologisIncMember"
      decimals="4"
      id="h_217_c168c048_cc75_4c0b_b66f_80a2f2214d82"
      unitRef="pure">0.093</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_SimonPropertyGroupIncMember"
      decimals="4"
      id="h_218_286f9246_4445_4bd0_9d58_702c63a1ccaa"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_EquinixIncMember"
      decimals="4"
      id="h_219_9384fe1d_2cde_4bde_8026_582cecced0ab"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_DigitalRealtyTrustIncMember"
      decimals="4"
      id="h_220_1dbb97d3_a140_4c8f_a0a9_8ce550c94df0"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_RealtyIncomeCorpMember"
      decimals="4"
      id="h_221_0ee345e0_1a9c_4b4c_9df0_be1630be7696"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_MorganStanleyInstitutionalLiquidityFundsTreasuryPortfolioInstitutionalClassMember"
      decimals="4"
      id="h_222_fe6d0508_4f62_444c_813b_7df912dd0219"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_PublicStorageMember"
      decimals="4"
      id="h_223_c46c690e_cd6d_4268_ae1b_671d40db1be6"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_VentasIncMember"
      decimals="4"
      id="h_224_48d87cf8_9e62_4072_875c_3cbf6750194f"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047557Member_IronMountainIncMember"
      decimals="4"
      id="h_225_2f83dff9_b35e_42ea_8c62_20dce1abc1a8"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000047628Member"
      id="t_145_70bef25a_01d1_0096_63e1_dd94162a793a">First Trust Water ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000047628Member"
      id="t_146_47083354_2555_cc14_7cc9_a4d7472ae48b">First Trust Water ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000047628Member"
      id="t_147_4365da24_2e05_3d8a_a9ad_42f879d54965">FIW</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000047628Member"
      id="t_136_3c0da5f0_e9bd_42dd_8ea2_ea51c943600c">This semi-annual shareholder report contains important information about the First Trust Water ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000047628Member"
      id="t_137_80630b8e_e88d_4226_b53b_5bfce22e713e">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000047628Member"
      id="t_138_c240ec87_1c5c_4d7b_98f4_44574fd618cc">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FIW&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000047628Member"
      id="t_140_97a1a199_1e3e_4e5a_a4f2_14e5c3e3dbd1">www.ftportfolios.com/fund-documents/etf/FIW</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000047628Member"
      id="t_141_52c132e1_660a_4297_903f_5c2c101a3ee1">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000047628Member"
      id="t_139_18f8dd20_c816_44d6_889e_f8fc57858842">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000047628Member"
      id="t_142_b4f1d5dc_a3e6_4a26_a517_24128b7eea69">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Water ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;25&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.51&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000047628Member"
      decimals="INF"
      id="h_226_28bc3e04_28cb_4563_91e1_d35ff863864f"
      unitRef="USD">25</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000047628Member"
      decimals="4"
      id="h_227_94471b77_dcc2_4a4a_b937_ad21fc8ccfa8"
      unitRef="pure">0.0051</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000047628Member"
      id="t_143_715ada4f_3d52_4401_a384_95177252aafa">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;1,856,126,845&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;38&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;10&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000047628Member"
      decimals="INF"
      id="h_228_af0e9baf_9752_47dd_9a63_f3cc0f126ae9"
      unitRef="USD">1856126845</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000047628Member"
      decimals="INF"
      id="h_229_78fa2a65_6725_4899_aa93_7f09e9fe2fc1"
      unitRef="Holding">38</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000047628Member"
      decimals="4"
      id="h_230_044e2380_4712_42e6_807f_fb725e46be3e"
      unitRef="pure">0.10</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000047628Member"
      id="t_144_92c69223_2dcf_441e_a28b_393ccaeb3624">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Waters Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Agilent Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Masco Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Roper Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;American Water Works Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;IDEX Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Xylem, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Mueller Industries, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Veralto Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Ferguson Enterprises, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151214.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000047628Member"
      id="t_148_ae6fc71e_121a_d129_1257_553c20f19e20">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Waters Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Agilent Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Masco Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Roper Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;American Water Works Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;IDEX Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Xylem, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Mueller Industries, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Veralto Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Ferguson Enterprises, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_WatersCorpMember"
      decimals="4"
      id="h_231_144ab1da_5121_4b24_af88_719a35a9b56b"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_AgilentTechnologiesIncMember"
      decimals="4"
      id="h_232_0bf9972a_777e_4b4f_9493_476ed7a5ee36"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_MascoCorpMember"
      decimals="4"
      id="h_233_ed09cd9e_6bde_4fb9_87d4_451d3619fbbe"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_RoperTechnologiesIncMember"
      decimals="4"
      id="h_234_09d03b9d_3455_4a1f_8415_e5dfbaff2753"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_AmericanWaterWorksCoIncMember"
      decimals="4"
      id="h_235_0cfdc36e_014d_4fe0_8c27_5a2fbe38d84b"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_IDEXCorpMember"
      decimals="4"
      id="h_236_b49acbea_0ffa_42ef_867a_1a8133bf4687"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_XylemIncMember"
      decimals="4"
      id="h_237_a71203ef_6ad2_4f9a_953f_df17be2375b4"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_MuellerIndustriesIncMember"
      decimals="4"
      id="h_238_6b4d15ab_9e73_4c89_a0a1_45069677a9ab"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_VeraltoCorpMember"
      decimals="4"
      id="h_239_c170f16d_5634_4d4c_80fe_2cfac81d629a"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047628Member_FergusonEnterprisesIncMember"
      decimals="4"
      id="h_240_983c5690_9d7f_412a_8883_72a03876ff83"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000047627Member"
      id="t_154_a20aff91_0fba_6d4c_9750_e3d4cae5e6c0">First Trust Natural Gas ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000047627Member"
      id="t_155_22a8427b_ceb0_ed0a_4bf7_395466894b75">First Trust Natural Gas ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000047627Member"
      id="t_156_09d98997_eb7a_eea5_ceb8_56e8e1296511">FCG</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000047627Member"
      id="t_145_ca56b825_f4a6_4ee5_8b1d_589245fd19ad">This semi-annual shareholder report contains important information about the First Trust Natural Gas ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000047627Member"
      id="t_146_d46824f0_fba3_4c00_a71a_4bcfbbfb7683">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000047627Member"
      id="t_147_cf7d4355_48fe_45bd_8ef0_990e1b1f1b0d">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FCG&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000047627Member"
      id="t_149_bc8a534f_ca04_480b_b6fb_aff3d1866d97">www.ftportfolios.com/fund-documents/etf/FCG</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000047627Member"
      id="t_150_f0ed454b_923c_48d0_8004_464e0196bb3c">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000047627Member"
      id="t_148_107810f7_d35e_4ccd_a56c_dcc889b061b5">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000047627Member"
      id="t_151_5cbf0bdc_8a9f_4a87_9381_77f0aec47501">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Natural Gas ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;30&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.57&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000047627Member"
      decimals="INF"
      id="h_241_e09a1297_eb0c_4b85_9e9c_93c13b9a76f8"
      unitRef="USD">30</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000047627Member"
      decimals="4"
      id="h_242_df0ff41d_d1d1_489e_a882_9c1b611b8aef"
      unitRef="pure">0.0057</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000047627Member"
      id="t_152_eb004463_d767_49da_bdf0_64e612caa3dd">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;589,664,417&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;44&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;17&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000047627Member"
      decimals="INF"
      id="h_243_79738b62_8c46_4dd2_9651_94d9c667a047"
      unitRef="USD">589664417</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000047627Member"
      decimals="INF"
      id="h_244_0e995d51_7ea8_4952_a3ec_3c3d9a4978f5"
      unitRef="Holding">44</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000047627Member"
      decimals="4"
      id="h_245_169a3972_1ac9_4759_a1d2_fbf7c5a5b7be"
      unitRef="pure">0.17</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000047627Member"
      id="t_153_5d8a9cfb_a3c4_4a70_9723_bb6bd9870e3d">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Western Midstream Partners, L.P.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Hess Midstream, L.P., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;EOG Resources, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ConocoPhillips&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Diamondback Energy, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;EQT Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Devon Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Expand Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Occidental Petroleum Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Permian Resources Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sub-Industry Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151215.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000047627Member"
      id="t_157_c58abbbb_46bf_2c7b_2cce_f43541a234f7">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Western Midstream Partners, L.P.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Hess Midstream, L.P., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;EOG Resources, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ConocoPhillips&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Diamondback Energy, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;EQT Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Devon Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Expand Energy Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Occidental Petroleum Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Permian Resources Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_WesternMidstreamPartnersLPMember"
      decimals="4"
      id="h_246_9007f02d_03c5_4e6c_b8e3_14e61243054c"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_HessMidstreamLPClassAMember"
      decimals="4"
      id="h_247_cdac0b01_313b_415d_98ae_4e5f2adb06e7"
      unitRef="pure">0.048</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_EOGResourcesIncMember"
      decimals="4"
      id="h_248_55725523_9ee7_4082_b27d_4566adf9a78e"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_ConocoPhillipsMember"
      decimals="4"
      id="h_249_2228983c_c00a_4e71_ac4e_cee9acb9e1b2"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_DiamondbackEnergyIncMember"
      decimals="4"
      id="h_250_470a7e0a_6e7d_4afb_9bb4_ca5d91c34461"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_EQTCorpMember"
      decimals="4"
      id="h_251_df7f8cac_6e01_4ec3_8cad_e7b73a755edc"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_DevonEnergyCorpMember"
      decimals="4"
      id="h_252_2b432ba9_9950_4914_823e_6dd191b0e74d"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_ExpandEnergyCorpMember"
      decimals="4"
      id="h_253_1ced8526_c3a7_43a8_bc2d_ae56a10a21e6"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_OccidentalPetroleumCorpMember"
      decimals="4"
      id="h_254_540a3914_266c_4e54_a633_6c28619f09e9"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000047627Member_PermianResourcesCorpClassAMember"
      decimals="4"
      id="h_255_6dc4503d_3c4e_46bc_98e2_27e8a22651ff"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000078718Member"
      id="t_163_6a891ece_aa46_8e84_97bf_655fc0997c14">First Trust NASDAQ&#xae; ABA Community Bank Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000078718Member"
      id="t_164_fe2696b4_17fb_a2ed_f3f8_77a174113bd9">First Trust NASDAQ&#xae; ABA Community Bank Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000078718Member"
      id="t_165_5875cf78_b0d2_c21f_8870_3d6cee5bdeec">QABA</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000078718Member"
      id="t_154_e66ac81c_ea60_4dfe_9c2e_282010fca1f0">This semi-annual shareholder report contains important information about the First Trust NASDAQ&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; ABA Community Bank Index Fund (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000078718Member"
      id="t_155_1af35281_a356_4a20_94de_f8c547e55fa8">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000078718Member"
      id="t_156_06b1de11_aba8_4dc9_9e72_c6f3ae4e8a9e">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/QABA&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000078718Member"
      id="t_158_d332ee0c_2aed_484d_bdea_8606fcc3142b">www.ftportfolios.com/fund-documents/etf/QABA</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000078718Member"
      id="t_159_3b68e0b9_77a4_429b_aed7_6cff5ee37329">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000078718Member"
      id="t_157_2b6898a7_8f8c_4626_a49b_fab1aca98e88">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000078718Member"
      id="t_160_dc67d8f9_9a27_4180_9091_a5d08fd44691">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust NASDAQ&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;&#xae;&lt;/sup&gt; ABA Community Bank Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;33&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000078718Member"
      decimals="INF"
      id="h_256_e09e5d34_7b5f_469a_8d9e_8c624666dbd3"
      unitRef="USD">33</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000078718Member"
      decimals="4"
      id="h_257_58d6aef8_6f59_41b3_a0f6_2e07482e3771"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000078718Member"
      id="t_161_84870b7b_b8cb_4601_96a2_ba02978b33c7">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;87,498,821&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;162&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000078718Member"
      decimals="INF"
      id="h_258_7750c4dd_94fe_4257_87c7_297a125e93f7"
      unitRef="USD">87498821</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000078718Member"
      decimals="INF"
      id="h_259_a5c81638_3b29_458a_a4d0_016af3d78958"
      unitRef="Holding">162</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000078718Member"
      decimals="4"
      id="h_260_9767147c_b330_4484_ac9f_92d0bdfb172c"
      unitRef="pure">0.09</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000078718Member"
      id="t_162_503691ef_b88e_4c5d_be82_186c3f435b78">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments (excluding repurchase agreements held as collateral for securities lending arrangements) of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Wintrust Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Commerce Bancshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Central BanCo, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;United Bankshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Hancock Whitney Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bank OZK&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eastern Bankshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;TFS Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;First Financial Bankshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;International Bancshares Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Industry Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151216.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000078718Member"
      id="t_166_1c2f6c36_7f36_aed9_733b_628f580390da">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Wintrust Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Commerce Bancshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Central BanCo, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;United Bankshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Hancock Whitney Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bank OZK&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Eastern Bankshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;TFS Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;First Financial Bankshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;International Bancshares Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_WintrustFinancialCorpMember"
      decimals="4"
      id="h_261_c0e16993_7058_4cf1_97b0_f43775db7617"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_CommerceBancsharesIncMember"
      decimals="4"
      id="h_262_8077d64a_6291_4dca_8b2f_06762fd75907"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_CentralBanCoIncMember"
      decimals="4"
      id="h_263_97e60ff8_7dd8_4045_84f0_c16fa6059c18"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_UnitedBanksharesIncMember"
      decimals="4"
      id="h_264_333b99c9_814b_41ac_bd15_6337e1b164f5"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_HancockWhitneyCorpMember"
      decimals="4"
      id="h_265_9bae68ad_1143_426d_95ff_84913e49d064"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_BankOZKMember"
      decimals="4"
      id="h_266_b4638901_a970_4c82_afb5_8279945bc547"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_EasternBanksharesIncMember"
      decimals="4"
      id="h_267_91cb585e_ad63_486d_9ab9_8ec7daa27084"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_TFSFinancialCorpMember"
      decimals="4"
      id="h_268_adee109c_03a7_4898_9cd1_60dce0104343"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_FirstFinancialBanksharesIncMember"
      decimals="4"
      id="h_269_a5b0becd_25d6_441a_9e3e_428b01f7158b"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000078718Member_InternationalBancsharesCorpMember"
      decimals="4"
      id="h_270_b8156a4f_b13d_4609_9ad2_78da2e855f93"
      unitRef="pure">0.019</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000037851Member"
      id="t_172_5a3495c9_d1ab_01fc_5dd5_d676af528885">First Trust Dividend StrengthTM ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000037851Member"
      id="t_173_b50f1bdc_8081_9640_90fb_f2fde23c00f1">First Trust Dividend StrengthTM ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000037851Member"
      id="t_174_13ffe44d_040a_4d59_dadb_a91e2b05db13">FTDS</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000037851Member"
      id="t_163_624a97fd_feb4_488f_bb89_dbb2f57ee1ab">This semi-annual shareholder report contains important information about the First Trust Dividend Strength&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;TM&lt;/sup&gt; ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000037851Member"
      id="t_164_592b7aaf_ded5_4c41_88b0_303b0570fd6b">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000037851Member"
      id="t_165_6b8255b3_c0e8_4e6d_bcdc_c970d1848e69">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FTDS&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000037851Member"
      id="t_167_299d53be_9554_483a_971c_85e178827b89">www.ftportfolios.com/fund-documents/etf/FTDS</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000037851Member"
      id="t_168_f78bdc48_1230_47c5_81eb_a2a0cc8bd8bc">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000037851Member"
      id="t_166_63e20379_4033_4905_b412_c831ba054425">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000037851Member"
      id="t_169_23cb8dbf_f78f_4364_976d_bc38c34c1b56">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Dividend Strength&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;TM&lt;/sup&gt; ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;36&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000037851Member"
      decimals="INF"
      id="h_271_a421c5f9_4970_4fa4_b869_a05607ab897b"
      unitRef="USD">36</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000037851Member"
      decimals="4"
      id="h_272_483289e3_0ccf_4b84_962f_97ab125c6b39"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000037851Member"
      id="t_170_64064c62_f495_4e5e_965c_26c46e6860da">&lt;div style="margin-top:10pt;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;36,791,849&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;51&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;56&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000037851Member"
      decimals="INF"
      id="h_273_67530b9d_7995_4b8e_94e8_e724d7bac56f"
      unitRef="USD">36791849</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000037851Member"
      decimals="INF"
      id="h_274_3a17fcfe_c179_46d5_b975_314a5406edee"
      unitRef="Holding">51</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000037851Member"
      decimals="4"
      id="h_275_392393cd_8dc3_48bd_9114_171429aa5a78"
      unitRef="pure">0.56</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000037851Member"
      id="t_171_3edccccd_0b43_4dcf_97d2_ed70bc22392c">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:10pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Reliance, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Targa Resources Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Commerce Bancshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fifth Third Bancorp&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Popular, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cincinnati Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Zions Bancorp N.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;IDEX Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Allstate (The) Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;East West Bancorp, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151210.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000037851Member"
      id="t_175_fa8e37df_f27e_0607_960b_dea84e864fd6">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Reliance, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Targa Resources Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Commerce Bancshares, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fifth Third Bancorp&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Popular, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cincinnati Financial Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Zions Bancorp N.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;IDEX Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Allstate (The) Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;East West Bancorp, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_RelianceIncMember"
      decimals="4"
      id="h_276_b36cd10a_0735_4646_a243_54cfba757a4d"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_TargaResourcesCorpMember"
      decimals="4"
      id="h_277_ffbbdb25_e939_4db9_abb0_6ebc783e884b"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_CommerceBancsharesIncMember"
      decimals="4"
      id="h_278_a0a5079c_37e3_4be6_b951_d2e41194ff47"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_FifthThirdBancorpMember"
      decimals="4"
      id="h_279_f4d49c7b_8d82_4d19_97a8_27b53799e956"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_PopularIncMember"
      decimals="4"
      id="h_280_c91ab359_73c3_47b1_a5a7_afc55d2554a5"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_CincinnatiFinancialCorpMember"
      decimals="4"
      id="h_281_34a3fe4f_e124_44a2_9523_0dcda51991c3"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_ZionsBancorpNAMember"
      decimals="4"
      id="h_282_1c8bded3_5e78_446c_a922_2d2ed747067a"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_IDEXCorpMember"
      decimals="4"
      id="h_283_a38dec83_2347_42f4_ae41_09e3c9ea9dc5"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_AllstateTheCorpMember"
      decimals="4"
      id="h_284_864cfcef_a24a_4c67_a485_305cbb4350f5"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000037851Member_EastWestBancorpIncMember"
      decimals="4"
      id="h_285_9567e10f_d927_49f4_8e07_a5be12fb7b7f"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000191287Member"
      id="t_181_0d111cb5_c4b2_91be_558e_2ae258748f33">First Trust Dow 30 Equal Weight ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000191287Member"
      id="t_182_b98b6f2e_539d_fcca_6fb5_942da85dcb8c">First Trust Dow 30 Equal Weight ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000191287Member"
      id="t_183_d223f073_b6dd_46fb_08c0_56d9a56ee145">EDOW</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000191287Member"
      id="t_172_298179a4_18ab_42ee_8740_db01eb2bbbdf">This semi-annual shareholder report contains important information about the First Trust Dow 30 Equal Weight ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000191287Member"
      id="t_173_c1a11554_e5d5_4833_a2b1_b72dbee29df5">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000191287Member"
      id="t_174_1012c1fa_889b_4722_9d59_4f5efc135298">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/EDOW&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000191287Member"
      id="t_176_2f316e38_0426_4d85_94ed_cfda68fb1d24">www.ftportfolios.com/fund-documents/etf/EDOW</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000191287Member"
      id="t_177_d94bd5d4_b4c3_479e_b22f_25305bd8bffe">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000191287Member"
      id="t_175_c5519709_d991_4fad_bcb6_9ee4d3c69fb7">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000191287Member"
      id="t_178_7649cc28_064e_4ef7_aaea_9a92a518b1b4">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Dow 30 Equal Weight ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;26&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.50&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000191287Member"
      decimals="INF"
      id="h_286_2db8da3e_76c0_4ce7_b50a_bba6cffaa3db"
      unitRef="USD">26</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000191287Member"
      decimals="4"
      id="h_287_68abfc38_3f20_4ff6_8b71_9194514e99ee"
      unitRef="pure">0.0050</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000191287Member"
      id="t_179_91a091f2_d188_41cc_b924_08264e9b5549">&lt;div style="margin-top:10pt;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;306,581,754&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;31&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;12&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000191287Member"
      decimals="INF"
      id="h_288_11ae5db8_9857_4bc5_be22_fe6e7578d999"
      unitRef="USD">306581754</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000191287Member"
      decimals="INF"
      id="h_289_a7d6ff36_447a_4233_b262_4c9bb3fa3dbb"
      unitRef="Holding">31</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000191287Member"
      decimals="4"
      id="h_290_bdbcb380_e528_4d03_b978_da3147c00785"
      unitRef="pure">0.12</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000191287Member"
      id="t_180_a374234b_fea9_40b7_bdd8_3917607d60a1">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:10pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Caterpillar, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sherwin-Williams (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Home Depot (The), Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Travelers (The) Cos., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;American Express Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Merck &amp;amp; Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amgen, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Honeywell International, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Johnson &amp;amp; Johnson&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Visa, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151219.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000191287Member"
      id="t_184_1d93f735_59d4_b827_626a_67d67352f2ef">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Caterpillar, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Sherwin-Williams (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Home Depot (The), Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Travelers (The) Cos., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;American Express Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Merck &amp;amp; Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Amgen, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Honeywell International, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Johnson &amp;amp; Johnson&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Visa, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_CaterpillarIncMember"
      decimals="4"
      id="h_291_c36b4f4a_9ffa_4a6a_a7d0_154ef0a6fd78"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_SherwinWilliamsTheCoMember"
      decimals="4"
      id="h_292_86e20080_587f_46f1_a42b_cff4411b489f"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_HomeDepotTheIncMember"
      decimals="4"
      id="h_293_4a15866b_3eb7_4f9d_84f4_bc5f9ca9e190"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_TravelersTheCosIncMember"
      decimals="4"
      id="h_294_36a7d33e_9cf0_4a8e_b4d2_e7f2fe42d0e9"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_AmericanExpressCoMember"
      decimals="4"
      id="h_295_eec43060_bff6_448e_a198_3d3aa614a0f5"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_MerckAndCoIncMember"
      decimals="4"
      id="h_296_aeabb1ae_7716_48fc_8906_426e0d366faa"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_AmgenIncMember"
      decimals="4"
      id="h_297_df38289e_8edf_4ae0_a54c_9da393087335"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_HoneywellInternationalIncMember"
      decimals="4"
      id="h_298_cc619c80_60ad_4bb3_9572_998649723b23"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_JohnsonAndJohnsonMember"
      decimals="4"
      id="h_299_9970e163_da31_46c2_a300_bbae62de158c"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000191287Member_VisaIncClassAMember"
      decimals="4"
      id="h_300_4a6685fe_0e06_494a_9d95_c15154ea7650"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000201408Member"
      id="t_190_63995b2f_26f4_68a4_7cfc_1bba57ee49cc">First Trust Lunt U.S. Factor Rotation ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000201408Member"
      id="t_191_f02c8d7e_e73e_2b91_a744_3bc34466afcb">First Trust Lunt U.S. Factor Rotation ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000201408Member"
      id="t_192_c3a4eb1b_dccc_2820_977b_a9d651949e86">FCTR</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000201408Member"
      id="t_181_643c11dd_1e01_4ba2_bbea_00626758d3b1">This semi-annual shareholder report contains important information about the First Trust Lunt U.S. Factor Rotation ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000201408Member"
      id="t_182_27500165_da95_4874_a180_52736c128253">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000201408Member"
      id="t_183_4faae42d_3d32_4fd4_95fc_c30f99f81d95">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FCTR&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000201408Member"
      id="t_185_7d4df0da_783f_4959_b765_da6c361967ad">www.ftportfolios.com/fund-documents/etf/FCTR</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000201408Member"
      id="t_186_5d664199_016e_41fa_9527_3885f5450111">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000201408Member"
      id="t_184_3a3ed12f_ca9c_4083_b28b_46abf2552fc4">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000201408Member"
      id="t_187_8b2796e8_ada0_4793_a77c_1c926899722d">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust Lunt U.S. Factor Rotation ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;35&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.65&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000201408Member"
      decimals="INF"
      id="h_301_667f7784_58ab_456b_b7c9_607bf2e89fe3"
      unitRef="USD">35</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000201408Member"
      decimals="4"
      id="h_302_3b6c26f5_1e7f_4054_b632_47002dc1ec61"
      unitRef="pure">0.0065</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000201408Member"
      id="t_188_cf603da1_b279_482d_ad4f_c178203c6c17">&lt;div style="margin-top:10pt;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;57,180,403&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;166&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;181&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000201408Member"
      decimals="INF"
      id="h_303_82636a2a_b3d2_421d_b68d_ac222edcbeba"
      unitRef="USD">57180403</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000201408Member"
      decimals="INF"
      id="h_304_07fa0c5b_e88d_4791_879c_53a0c3e8a47d"
      unitRef="Holding">166</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000201408Member"
      decimals="4"
      id="h_305_5606e184_3562_4c35_9235_6cc565d3d603"
      unitRef="pure">1.81</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000201408Member"
      id="t_189_53f442dd_8437_4329_aa8d_51cd71217d6e">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:10pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Centene Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Humana, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axon Enterprise, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bloom Energy Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Super Micro Computer, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Credo Technology Group Holding Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Intel Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fair Isaac Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Flutter Entertainment PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Marvell Technology, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151202.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000201408Member"
      id="t_193_efeb0413_84b8_1d2d_d438_b4cd95212aa9">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Centene Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Humana, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Axon Enterprise, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Bloom Energy Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Super Micro Computer, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Credo Technology Group Holding Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Intel Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Fair Isaac Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Flutter Entertainment PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Marvell Technology, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_CenteneCorpMember"
      decimals="4"
      id="h_306_6765deab_dfd5_48ac_b184_f72c62224e2f"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_HumanaIncMember"
      decimals="4"
      id="h_307_fb38d4a1_7a44_43c6_95ba_dac88af586cc"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_AxonEnterpriseIncMember"
      decimals="4"
      id="h_308_6328a334_375f_493a_acac_59b586875a2c"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_BloomEnergyCorpClassAMember"
      decimals="4"
      id="h_309_17f25763_cb6b_4cc8_ae1c_4fb5a033cc0a"
      unitRef="pure">0.018</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_SuperMicroComputerIncMember"
      decimals="4"
      id="h_310_1e495f94_9d46_4afe_a7a0_23a0087c8f4d"
      unitRef="pure">0.018</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_CredoTechnologyGroupHoldingLtdMember"
      decimals="4"
      id="h_311_e6eb4e20_92ce_4ca1_963f_6750efbc7615"
      unitRef="pure">0.015</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_IntelCorpMember"
      decimals="4"
      id="h_312_fdf2585e_fbb5_4cc1_807f_495ae80a9909"
      unitRef="pure">0.015</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_FairIsaacCorpMember"
      decimals="4"
      id="h_313_d1bb27fa_55a5_4b9d_8ab5_1af55e100506"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_FlutterEntertainmentPLCMember"
      decimals="4"
      id="h_314_b33b6bd7_d258_4e6e_89ec_8f10d6e1dc63"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000201408Member_MarvellTechnologyIncMember"
      decimals="4"
      id="h_315_3e6ec7c7_8ae3_4f43_b7b4_694ae4776fa9"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000244355Member"
      id="t_199_1e48343c_e726_88cf_5bd2_9977c68afc8b">First Trust S&amp;P 500 Diversified Free Cash Flow ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000244355Member"
      id="t_200_f9663485_e3a9_36fc_7806_4d69e1eed114">First Trust S&amp;P 500 Diversified Free Cash Flow ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000244355Member"
      id="t_201_a68b0740_2744_989a_70c1_57866fc4741d">FCFY</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000244355Member"
      id="t_190_ff7a982a_2ac4_489e_9cdb_c153ec662c43">This semi-annual shareholder report contains important information about the First Trust S&amp;amp;P 500 Diversified Free Cash Flow ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000244355Member"
      id="t_191_f3cf80f8_14ce_4d34_a052_3121f496c6b5">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000244355Member"
      id="t_192_ac3d29bd_baad_483f_ad10_6cb1d28cf980">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FCFY&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000244355Member"
      id="t_194_5919d4e6_82a8_4b46_b330_1763df9adf79">www.ftportfolios.com/fund-documents/etf/FCFY</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000244355Member"
      id="t_195_eef4a102_9d45_44cf_bdf1_2ff3de0d1673">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000244355Member"
      id="t_193_ada1b405_a4c4_4866_9ba4_7c487359598b">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000244355Member"
      id="t_196_ff51953f_9f25_435d_baa5_fc3049005574">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust S&amp;amp;P 500 Diversified Free Cash Flow ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;30&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000244355Member"
      decimals="INF"
      id="h_316_45096cc4_d271_48de_9655_d5afc94177b3"
      unitRef="USD">30</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000244355Member"
      decimals="4"
      id="h_317_ff0a57e3_a3f3_4740_a27b_1aa7ee361cb0"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000244355Member"
      id="t_197_763c5f48_8ffd_4575_b116_2f8a5f2fe739">&lt;div style="margin-top:10pt;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;1,349,204&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;101&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;43&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000244355Member"
      decimals="INF"
      id="h_318_39e4f308_4351_4407_9e8b_ac547ab0c75f"
      unitRef="USD">1349204</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000244355Member"
      decimals="INF"
      id="h_319_c286d4b5_c677_440d_be3b_5764c24466fb"
      unitRef="Holding">101</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000244355Member"
      decimals="4"
      id="h_320_9a45345d_1c75_4aa1_ba04_44b328658201"
      unitRef="pure">0.43</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000244355Member"
      id="t_198_94a1a907_50f9_43e5_952f_8088d49ff9c6">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:10pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Centene Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Skyworks Solutions, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;QUALCOMM, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;HP, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;NetApp, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Comcast Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;GoDaddy, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Omnicom Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Gen Digital, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Trade Desk (The), Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151220.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000244355Member"
      id="t_202_2138de04_328f_8cda_4846_54b122812782">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Centene Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Skyworks Solutions, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;QUALCOMM, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;HP, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;NetApp, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Comcast Corp., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;GoDaddy, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Omnicom Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Gen Digital, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Trade Desk (The), Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_CenteneCorpMember"
      decimals="4"
      id="h_321_55f4a2b3_612e_4ca4_b837_4573dc7919dd"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_SkyworksSolutionsIncMember"
      decimals="4"
      id="h_322_8c555915_27ce_4546_afe2_19c898ff0a57"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_QUALCOMMIncMember"
      decimals="4"
      id="h_323_80fd2772_e2cd_433c_8bff_fe19641925da"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_HPIncMember"
      decimals="4"
      id="h_324_4d52839c_5b96_4a27_8a2f_fef01e45ca23"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_NetAppIncMember"
      decimals="4"
      id="h_325_6ad7aa44_db2c_4176_aa66_d21df9812c7b"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_ComcastCorpClassAMember"
      decimals="4"
      id="h_326_f29d97c2_b310_4315_90c6_97d9da058307"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_GoDaddyIncClassAMember"
      decimals="4"
      id="h_327_35464141_301e_49d2_9aa7_32f4a080ac56"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_OmnicomGroupIncMember"
      decimals="4"
      id="h_328_b3e26a5d_9537_49b2_81ce_ef79d70c109e"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_GenDigitalIncMember"
      decimals="4"
      id="h_329_d5298bbe_284e_4553_8d39_940a9bdf3828"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000244355Member_TradeDeskTheIncClassAMember"
      decimals="4"
      id="h_330_e552d604_4634_4953_9ec3_abc103ae28b5"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000222997Member"
      id="t_208_76c7f1cf_8898_755a_7a93_7358b6941f31">FT Vest Gold Strategy Quarterly Buffer ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000222997Member"
      id="t_209_f88da2ab_ca4e_3df2_ab6a_723d2b36056d">FT Vest Gold Strategy Quarterly Buffer ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000222997Member"
      id="t_210_e544d4ca_736c_064d_1afe_0763106d5481">BGLD</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000222997Member"
      id="t_199_8a2fe705_1826_4a73_ad04_b642c0ae85c7">This semi-annual shareholder report contains important information about the FT Vest Gold Strategy Quarterly Buffer ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000222997Member"
      id="t_200_4f81872e_8d0a_4042_9c03_cf71887a7899">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000222997Member"
      id="t_201_ce7e3272_cdc0_4043_9bca_74e2e407b372">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/BGLD&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000222997Member"
      id="t_203_9d54d7b8_8ecb_4ae2_ace9_31def13b386c">www.ftportfolios.com/fund-documents/etf/BGLD</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000222997Member"
      id="t_204_8e8005ff_027c_4ea6_8309_9b8b195d8a55">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000222997Member"
      id="t_202_942d4843_3830_4e00_8bb1_a5dab0edb7d9">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000222997Member"
      id="t_205_1de57d6d_059f_4768_9650_9367f939c60c">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Gold Strategy Quarterly Buffer ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;44&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.90&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&#160;(2)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Excludes any Acquired Fund Fees and Expenses of the&#160;underlying investment companies in which the Fund invests.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000222997Member"
      decimals="INF"
      id="h_331_9a32553d_b698_459e_b7cd_b29b3df534c7"
      unitRef="USD">44</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000222997Member"
      decimals="4"
      id="h_332_e23fffc6_fafb_4d65_9bbc_77715a140c97"
      unitRef="pure">0.0090</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000222997Member"
      id="t_206_ae931a0e_792c_4395_8096_d6623405bd2b">&lt;div style="margin-top:10pt;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;48,044,508&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000222997Member"
      decimals="INF"
      id="h_333_6a492b00_9807_4905_8832_76fe47e4a65d"
      unitRef="USD">48044508</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000222997Member"
      decimals="INF"
      id="h_334_18d2f56b_ec07_46c5_ab18_09af78f5a5e8"
      unitRef="Holding">5</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000222997Member"
      decimals="4"
      id="h_335_e3467f25_f53f_4888_a8bf_ce9a80af8eef"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000222997Member"
      id="t_207_0de1ea21_25c8_4a30_a2ef_0af1bbda8895">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:3pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:10pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;padding-bottom:5pt;font-weight:bold;color:rgb(0, 0, 0);margin-top:5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;U.S. Treasury Bills&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Purchased Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Written Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(2.2&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:1.5em;margin-right:0px;margin-bottom:7.5pt;margin-left:0px;font-family:'times new roman';font-weight:normal;color:rgb(0, 0, 0);font-size:7.5pt;padding-left:1.5em;text-indent:-1.5em;line-height:8.25pt;letter-spacing:0.01pt;"&gt;Any amount shown as 0.0% represents less than 0.1%.&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="TI20260630_C000222997Member_USTreasuryBillSecuritiesMember"
      decimals="4"
      id="h_336_0b18a9c4_376f_4612_86eb_2d14adb164cc"
      unitRef="pure">1.001</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222997Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_337_2b32b9ff_998c_485b_881e_89514becf35d"
      unitRef="pure">0.007</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222997Member_PurchasedOptionsMember"
      decimals="4"
      id="h_338_77d2123d_882e_4f18_b054_ccd152ef7cf1"
      unitRef="pure">0.014</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222997Member_WrittenOptionsMember"
      decimals="4"
      id="h_339_fc1d9f14_253a_4f50_9a5f_79f97a5944ba"
      unitRef="pure">-0.022</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222997Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_340_7ceb9962_8ecd_4126_afa9_3ed24d3de303"
      unitRef="pure">0.000</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222997Member"
      decimals="4"
      id="h_341_54059ea9_e422_43fd_9786_95e2364936a0"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:ClassName
      contextRef="D20251231_20260630_C000222996Member"
      id="t_221_12558efa_45d4_d173_3c4d_b0c19c7ae67a">FT Vest Gold Strategy Target Income ETF&#xae;</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000222996Member"
      id="t_222_dbbe0097_5207_82cd_0b76_7327fb0f3ee2">FT Vest Gold Strategy Target Income ETF&#xae;</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000222996Member"
      id="t_219_a75cec14_961e_0a49_338e_e9cbd0a439e7">IGLD</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000222996Member"
      id="t_208_c58e9bea_7b49_41db_8f55_84fe7ed1cb8b">This semi-annual shareholder report contains important information about the FT Vest Gold Strategy Target Income ETF&lt;sup style="font-size: smaller; line-height: 0px; vertical-align: 3.2pt;"&gt;&#xae;&lt;/sup&gt; (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000222996Member"
      id="t_209_3b68439c_d1ee_45d4_aa21_5b2d8982f056">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000222996Member"
      id="t_210_0155209f_593a_4dba_96de_92c8fc717af2">You can find additional information about the Fund at &lt;span style="white-space: nowrap; color: rgb(0, 60, 113); text-decoration-line: underline;"&gt;www.ftportfolios.com/fund-documents/etf/IGLD&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line: underline; color: rgb(0, 60, 113); font-size: 9pt; font-weight: normal; font-family: 'times new roman';"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000222996Member"
      id="t_212_47128f7b_1df7_48e5_8661_71745211ea7b">www.ftportfolios.com/fund-documents/etf/IGLD</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000222996Member"
      id="t_213_dd54a473_d532_441d_910c_e3fc604df2dd">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000222996Member"
      id="t_211_761604c3_791a_4330_80b8_8710cfc5d332">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000222996Member"
      id="t_214_3e738a3f_6888_4f05_91fb_a223d47eb62b">
&lt;div style="font-family: 'times new roman'; font-size: 11.52pt; font-weight: bold; color: rgb(0, 60, 113); margin: 0px 0px 3pt 0px;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;

&lt;div style="font-family: 'times new roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); margin: 0px;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs paid as a percentage&lt;br/&gt;of a $10,000 investment&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline; padding: 6pt 3pt 3pt 3pt;"&gt;FT Vest Gold Strategy Target Income &lt;span style="white-space: nowrap;"&gt;ETF&lt;sup style="font-size: smaller; line-height: 0px; vertical-align: 3.2pt;"&gt;&#xae;&lt;/sup&gt;&lt;/span&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; padding: 6pt 3pt 3pt 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;73&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap; padding: 6pt 3pt 3pt 3pt;"&gt;1.52&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size: smaller; line-height: 0px; vertical-align: 3.2pt;"&gt;(1)&#160;(2)&lt;/sup&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top; padding: 0;"&gt;
&lt;div style="font-weight: normal; color: rgb(0, 0, 0); font-family: 'times new roman'; font-size: 7.5pt; margin: 0px;"&gt;&#x200b;&lt;sup style="font-size: smaller; line-height: 0px; vertical-align: 3.2pt;"&gt;(1)&lt;/sup&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; font-style: normal; font-size: 7.5pt; vertical-align: baseline; padding: 2.25pt 0 0 0;"&gt;
&lt;div style="font-weight: normal; color: rgb(0, 0, 0); font-family: 'times new roman'; font-size: 7.5pt; margin: 0px;"&gt;Annualized.&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top; padding: 0;"&gt;
&lt;div style="font-weight: normal; color: rgb(0, 0, 0); font-family: 'times new roman'; font-size: 7.5pt; margin: 0px;"&gt;&#x200b;&lt;sup style="font-size: smaller; line-height: 0px; vertical-align: 3.2pt;"&gt;(2)&lt;/sup&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; font-style: normal; font-size: 7.5pt; vertical-align: baseline; padding: 2.25pt 0 0 0;"&gt;
&lt;div style="font-weight: normal; color: rgb(0, 0, 0); font-family: 'times new roman'; font-size: 7.5pt; margin: 0px;"&gt;Includes extraordinary expenses. If these extraordinary expenses were not included, the expense ratio would have been 0.85%.&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000222996Member"
      decimals="INF"
      id="h_342_77cc6898_e2f2_44d2_b628_9a89d4137737"
      unitRef="USD">73</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000222996Member"
      decimals="4"
      id="h_343_23186af4_d8e1_4bb6_9f19_ba3451d26972"
      unitRef="pure">0.0152</oef:ExpenseRatioPct>
    <oef:ExtraordinaryExpensesFnTextBlock
      contextRef="D20251231_20260630_C000222996Member"
      id="t_220_453f91fa_8f45_2c87_02d9_5f765eaf4e88">Includes extraordinary expenses. If these extraordinary expenses were not included, the expense ratio would have been 0.85%.</oef:ExtraordinaryExpensesFnTextBlock>
    <oef:ExpensesExclExtraordinaryExpensesPct
      contextRef="D20251231_20260630_C000222996Member"
      decimals="4"
      id="h_353_e3e829bc_0123_6bc0_6290_f890b12bfb69"
      unitRef="pure">0.0085</oef:ExpensesExclExtraordinaryExpensesPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000222996Member"
      id="t_215_686981ef_f322_4b54_95a7_37dff18d659c">
&lt;div style="font-family: 'times new roman'; font-size: 11.52pt; font-weight: bold; color: rgb(0, 60, 113); margin: 10pt 0px 3pt 0px;"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 0.5pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold; padding: 6pt 10pt 3pt 10pt;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 10pt 3pt 10pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;513,367,543&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 0.5pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold; padding: 6pt 10pt 3pt 10pt;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 10pt 3pt 10pt;"&gt;5&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-width: initial; border-bottom-color: initial; border-bottom-style: none;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold; padding: 6pt 10pt 3pt 10pt;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 10pt 3pt 10pt;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000222996Member"
      decimals="INF"
      id="h_344_9259ebe0_0f20_4b51_b966_c9dc878a2ee1"
      unitRef="USD">513367543</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000222996Member"
      decimals="INF"
      id="h_345_94d1dd7f_5e6c_4fb9_93ce_aaf38c8a4810"
      unitRef="Holding">5</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000222996Member"
      decimals="4"
      id="h_346_74ed2cba_bf78_4aca_95b9_102dcdb61df1"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000222996Member"
      id="t_216_a015f3b0_47b9_49e9_aee0_8123356a8552">
&lt;div style="font-family: 'times new roman'; font-size: 11.52pt; font-weight: bold; color: rgb(0, 60, 113); margin: 0px 0px 3pt 0px;"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;

&lt;div style="font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); font-family: 'times new roman'; margin: 0px 0px 10pt 0px;"&gt;The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.&lt;/div&gt;

&lt;div style="font-family: 'times new roman'; font-size: 9pt; letter-spacing: 1.25px; text-transform: uppercase; text-align: center; padding-bottom: 5pt; font-weight: bold; color: rgb(0, 0, 0); border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 1pt; margin: 5pt 0px 0px 0px;"&gt;&lt;b&gt;Fund Allocation&lt;/b&gt;&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding: 6pt 3pt 3pt 3pt;"&gt;U.S. Treasury Bills&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 3pt 3pt 3pt;"&gt;152.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding: 6pt 3pt 3pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 3pt 3pt 3pt;"&gt;0.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding: 6pt 3pt 3pt 3pt;"&gt;Purchased Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 3pt 3pt 3pt;"&gt;0.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding: 6pt 3pt 3pt 3pt;"&gt;Written Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 3pt 3pt 3pt;"&gt;(54.9&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: rgb(0, 0, 0); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding: 6pt 3pt 3pt 3pt;"&gt;Net Other Assets and Liabilities&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 3pt 3pt 3pt;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding: 6pt 3pt 3pt 3pt;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap; padding: 6pt 3pt 3pt 3pt;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="TI20260630_C000222996Member_USTreasuryBillSecuritiesMember"
      decimals="4"
      id="h_347_b6be7c98_78e2_4bef_b6f9_0ba13ee5bbe6"
      unitRef="pure">1.521</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222996Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_348_daf9e084_2d52_498b_8725_49ef3de31278"
      unitRef="pure">0.006</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222996Member_PurchasedOptionsMember"
      decimals="4"
      id="h_349_674ea824_7ea5_4d12_b943_cf617459b30b"
      unitRef="pure">0.002</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222996Member_WrittenOptionsMember"
      decimals="4"
      id="h_350_e60f12c2_b52d_4f6c_8b9b_14f1120684b1"
      unitRef="pure">-0.549</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222996Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_351_d33a391e_3111_4866_a4ff_e82b7af883d9"
      unitRef="pure">0.020</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000222996Member"
      decimals="4"
      id="h_352_06fa99ad_f6c0_4ba4_9b41_7810fe10013b"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:ClassName
      contextRef="D20251231_20260630_C000252251Member"
      id="t_226_d22b3451_3860_4cce_8d1f_22ab2885535f">First Trust WCM Developing World Equity ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000252251Member"
      id="t_227_ca4bce12_89fc_2e63_d524_c430a05b4124">First Trust WCM Developing World Equity ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000252251Member"
      id="t_228_26a48888_124a_c36d_8b91_907c83760abf">WCME</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000252251Member"
      id="t_217_5738c0b5_96f4_4524_9a44_92aa06a234ef">This semi-annual shareholder report contains important information about the First Trust WCM Developing World Equity ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000252251Member"
      id="t_218_7047cb30_d99b_4c16_84c1_6e28961d2728">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000252251Member"
      id="t_219_525636cb_9e4b_4bde_990b_5b3d99c83d92">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/WCME&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000252251Member"
      id="t_221_b9375322_7bf1_4898_b6c6_a399b1fca55f">www.ftportfolios.com/fund-documents/etf/WCME</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000252251Member"
      id="t_222_63a47cb3_a283_4eb2_80b5_ee7f712bec2f">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000252251Member"
      id="t_220_c0c38b75_6a87_4ed2_8475_2dc21dc5a6e0">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000252251Member"
      id="t_223_2ee4128f_330d_41de_8fdc_5106d1c53ddc">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust WCM Developing World Equity ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;50&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.95&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000252251Member"
      decimals="INF"
      id="h_353_1e8d8219_84a8_4d39_93b3_2c67be0fc33a"
      unitRef="USD">50</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000252251Member"
      decimals="4"
      id="h_354_b5a8b7e0_80bf_4dc7_b486_51306bdb876e"
      unitRef="pure">0.0095</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000252251Member"
      id="t_224_be80924d_efa9_41ea_be20_80d8304fa45b">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;36,357,458&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;36&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;40&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000252251Member"
      decimals="INF"
      id="h_355_d80bb6d9_1b15_40c7_81b6_a5d9c0d58e3f"
      unitRef="USD">36357458</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000252251Member"
      decimals="INF"
      id="h_356_a918826d_3841_490e_9762_cd68b8bccc1d"
      unitRef="Holding">36</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000252251Member"
      decimals="4"
      id="h_357_31d7d6e4_130c_4206_86b0_acaa675007e5"
      unitRef="pure">0.40</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000252251Member"
      id="t_225_a618acb8_321a_4e3e_87a0_bfcdac270456">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;13.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;SK hynix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;SK Square Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teva Pharmaceutical Industries Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Embraer S.A., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ACM Research, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Glencore PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Hyundai Rotem Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cemex S.A.B. de C.V., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151223.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000252251Member"
      id="t_229_455a8c52_9677_22de_6cb9_193fd8d9c9b5">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;13.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;SK hynix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;SK Square Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teva Pharmaceutical Industries Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Embraer S.A., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;ACM Research, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Glencore PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Hyundai Rotem Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cemex S.A.B. de C.V., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_TaiwanSemiconductorManufacturingCoLtdMember"
      decimals="4"
      id="h_358_6d24ce36_3f55_4418_99c1_221b94ed2dae"
      unitRef="pure">0.136</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_SKHynixIncMember"
      decimals="4"
      id="h_359_88c3b39f_76bc_4189_b833_f4109516a68a"
      unitRef="pure">0.065</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_SKSquareCoLtdMember"
      decimals="4"
      id="h_360_8cf123bf_7cf9_43b4_9dcb_b0c95ced93b3"
      unitRef="pure">0.065</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_SamsungElectronicsCoLtdMember"
      decimals="4"
      id="h_361_d2557d20_b9a2_4c71_81d4_e14ea259882e"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_TevaPharmaceuticalIndustriesLtdADRMember"
      decimals="4"
      id="h_362_d4c05b22_1f0b_4b51_b970_28974d19b1ae"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_EmbraerSAADRMember"
      decimals="4"
      id="h_363_f814c287_beef_40de_acc1_a5bc62d11e2e"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_ACMResearchIncClassAMember"
      decimals="4"
      id="h_364_d5bbc110_9b46_4fae_b668_60808b15a15f"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_GlencorePLCMember"
      decimals="4"
      id="h_365_70c5e812_5573_483e_995e_cbc4520247f7"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_HyundaiRotemCoLtdMember"
      decimals="4"
      id="h_366_4c5262ec_84f7_41b0_bbec_d86dde452db4"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252251Member_CemexSABDeCVADRMember"
      decimals="4"
      id="h_367_96d1b488_0bb7_4abe_a0c5_9b3d2097cfdf"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000252253Member"
      id="t_235_24fb40ea_ebec_1a4a_6519_f4e9d6580b44">First Trust WCM International Equity ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000252253Member"
      id="t_236_ecfb376b_724d_e91c_1f33_f480c4427b61">First Trust WCM International Equity ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000252253Member"
      id="t_237_d0b95422_c69a_7a3b_c5ab_321a84733d2b">WCMI</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000252253Member"
      id="t_226_258ff405_d00f_4d44_a29c_e7a970a71a29">This semi-annual shareholder report contains important information about the First Trust WCM International Equity ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000252253Member"
      id="t_227_bd6b3062_0fcc_4138_ab0b_5bd826fd9a71">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000252253Member"
      id="t_228_90de1354_d333_42b8_b585_5d9f4fad1bfb">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/WCMI&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000252253Member"
      id="t_230_3a98b579_f953_4bb8_8e3b_570c88f35838">www.ftportfolios.com/fund-documents/etf/WCMI</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000252253Member"
      id="t_231_a26c78b3_8655_407d_9aee_70892be23383">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000252253Member"
      id="t_229_0bf4d6c5_0f9b_410e_a23c_d8243d7dd361">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000252253Member"
      id="t_232_e3e55f7b_42e5_4f11_a165_03a645307458">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust WCM International Equity ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;45&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.85&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000252253Member"
      decimals="INF"
      id="h_368_473cd8dc_8a44_411d_88e2_30714483f784"
      unitRef="USD">45</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000252253Member"
      decimals="4"
      id="h_369_233d0f84_91a7_4d7f_a675_980c86b2d730"
      unitRef="pure">0.0085</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000252253Member"
      id="t_233_b644993a_96b8_4add_b6d9_0de85936a726">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;1,642,618,456&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;43&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;25&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000252253Member"
      decimals="INF"
      id="h_370_9a9f68da_2dad_44e5_8545_91b5bfb32b01"
      unitRef="USD">1642618456</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000252253Member"
      decimals="INF"
      id="h_371_24063083_e40d_4c7e_8641_9771ed981cb4"
      unitRef="Holding">43</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000252253Member"
      decimals="4"
      id="h_372_7e991d80_f5d9_4904_81de_8fd47e4c340f"
      unitRef="pure">0.25</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000252253Member"
      id="t_234_1b05b462_9668_4f5a_9d64_b27930e08207">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rolls-Royce Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Kioxia Holdings Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Nebius Group N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Babcock International Group PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Siemens Energy AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teva Pharmaceutical Industries Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lottomatica Group S.p.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cia de Saneamento Basico do Estado de Sao Paulo SABESP, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Constellation Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12151222.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000252253Member"
      id="t_238_a27625a9_9493_b41d_030e_330cf042e427">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rolls-Royce Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Kioxia Holdings Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Nebius Group N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Babcock International Group PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Siemens Energy AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Teva Pharmaceutical Industries Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Lottomatica Group S.p.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Cia de Saneamento Basico do Estado de Sao Paulo SABESP, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Constellation Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_TaiwanSemiconductorManufacturingCoLtdMember"
      decimals="4"
      id="h_373_23b73581_84f2_496c_8063_119191b9c02b"
      unitRef="pure">0.076</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_RollsRoyceHoldingsPLCMember"
      decimals="4"
      id="h_374_ddeef00b_03bd_4b79_8b78_1f886cf1e1a9"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_KioxiaHoldingsCorpMember"
      decimals="4"
      id="h_375_7bbb0d54_611a_47bc_9998_f6259a35d860"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_NebiusGroupNVMember"
      decimals="4"
      id="h_376_77e9f936_046f_442b_af64_16735d55e04b"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_BabcockInternationalGroupPLCMember"
      decimals="4"
      id="h_377_a3781ecf_7ac6_4da4_b274_01764454ed4d"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_SiemensEnergyAGMember"
      decimals="4"
      id="h_378_0902cb5c_8d46_43bb_819d_de96679903b6"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_TevaPharmaceuticalIndustriesLtdADRMember"
      decimals="4"
      id="h_379_8ca78468_d88a_4766_8b9d_d1762c99fe91"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_LottomaticaGroupSPAMember"
      decimals="4"
      id="h_380_585c1161_fed3_4b53_8639_f37b1da245de"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_CiaDeSaneamentoBasicoDoEstadoDeSaoPauloSABESPADRMember"
      decimals="4"
      id="h_381_184ae690_5bd2_4fae_9b5a_76ec6f53b318"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000252253Member_ConstellationSoftwareIncMember"
      decimals="4"
      id="h_382_2ee8e91c_217d_4f26_ab0b_7c79682db216"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000273176Member"
      id="t_244_bbd92d33_288e_ac6d_3df7_742091bae2dc">First Trust WCM Global Equity ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000273176Member"
      id="t_245_f4e00606_d87b_0e95_9a32_21fe04b6b84b">First Trust WCM Global Equity ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000273176Member"
      id="t_246_fa61aafe_adb7_05b8_6ec8_6b21955d0ebd">WCMG</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000273176Member"
      id="t_235_edcfc2c4_ee5f_4148_b283_5cb20010e56a">This semi-annual shareholder report contains important information about the First Trust WCM Global Equity ETF (the &#x201c;Fund&#x201d;) for the period of April 21, 2026 (commencement of investment operations) to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000273176Member"
      id="t_236_f86fd571_47c9_41a7_a281_2527f047bb87">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000273176Member"
      id="t_237_e089a82b_31fc_445b_9047_b32b9d8fdca5">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/WCMG&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000273176Member"
      id="t_239_6087c0c1_f8e2_4d0f_879f_774d2ac648b4">www.ftportfolios.com/fund-documents/etf/WCMG</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000273176Member"
      id="t_240_811285de_6bb5_4f8a_8e12_0da77476b566">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000273176Member"
      id="t_238_485bf452_b9bf_4b72_90e7_0439230b66eb">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000273176Member"
      id="t_241_ec06657b_d6fb_4501_a472_bc194f429178">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;First Trust WCM Global Equity ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;17&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.85&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;The Fund commenced investment operations on April 21, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000273176Member"
      decimals="INF"
      id="h_383_b4f8a74a_7cf4_4109_9412_3e5c9c14e528"
      unitRef="USD">17</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000273176Member"
      decimals="4"
      id="h_384_a893a1be_08f3_4a91_a0f0_7faa8ff304cc"
      unitRef="pure">0.0085</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000273176Member"
      id="t_242_b635a965_ee3d_4691_a4ef_a8111b2fa934">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;1,082,204&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;46&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000273176Member"
      decimals="INF"
      id="h_385_08a79290_d7eb_46e1_85a0_7f6d885e9723"
      unitRef="USD">1082204</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000273176Member"
      decimals="INF"
      id="h_386_4dce3cb8_d937_4be3_8ea8_dda9869f70a9"
      unitRef="Holding">46</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000273176Member"
      decimals="4"
      id="h_387_86036c05_5eb6_4376_ae00_f70cfb31a1b7"
      unitRef="pure">0.02</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000273176Member"
      id="t_243_a83eec9a_6bcc_4ae9_9a16_12e10f0ff73f">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Nebius Group N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rolls-Royce Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Kioxia Holdings Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Brookdale Senior Living, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Tapestry, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Interactive Brokers Group, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Western Digital Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Siemens Energy AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:3pt;margin-right:0px;margin-bottom:4.5pt;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_12195406.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251231_20260630_C000273176Member"
      id="t_247_2d3f295f_3131_f3d8_3066_033a9aa4b990">&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Top &lt;/b&gt; &lt;b&gt;Ten &lt;/b&gt; &lt;b&gt;Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Nebius Group N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;6.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Rolls-Royce Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Kioxia Holdings Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Brookdale Senior Living, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Tapestry, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Interactive Brokers Group, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Western Digital Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Siemens Energy AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_NebiusGroupNVMember"
      decimals="4"
      id="h_388_6e555873_d0ff_4592_b8ea_baf21db1795d"
      unitRef="pure">0.066</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_RollsRoyceHoldingsPLCMember"
      decimals="4"
      id="h_389_596a0ccb_32ae_4a7a_bfe5_875a410a0c34"
      unitRef="pure">0.052</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_AlphabetIncClassAMember"
      decimals="4"
      id="h_390_1a32f105_de39_4852_b0d2_bf07fc8a566f"
      unitRef="pure">0.052</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_KioxiaHoldingsCorpMember"
      decimals="4"
      id="h_391_a889e65e_dc99_48c2_a1f5_fce7fa7b3cc6"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_BrookdaleSeniorLivingIncMember"
      decimals="4"
      id="h_392_cce9c7e4_4aad_4c13_abdc_f29435f7ac2b"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_393_b6a97875_5a9d_4e11_b5a5_1085472e2116"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_TapestryIncMember"
      decimals="4"
      id="h_394_dfee64ea_a504_4784_93a2_8746e569aa0d"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_InteractiveBrokersGroupIncClassAMember"
      decimals="4"
      id="h_395_3f571556_748f_4b15_8742_a76c6251f323"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_WesternDigitalCorpMember"
      decimals="4"
      id="h_396_8f6f21d9_3e2b_4800_901d_d45cbb3a0316"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000273176Member_SiemensEnergyAGMember"
      decimals="4"
      id="h_397_2cf245fe_f7f0_4205_b8ac_5c8494f368f8"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000267482Member"
      id="t_253_cc5ff1b7_7e4c_12ec_f37f_6976d22fde8e">FT Vest Bitcoin Strategy Floor15 ETF - January</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000267482Member"
      id="t_254_be5f24dd_5588_2cb0_0688_33e35a8a39e7">FT Vest Bitcoin Strategy Floor15 ETF - January</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000267482Member"
      id="t_255_ddb13eab_9ee6_74f1_2864_6c6ebabe7b1d">BFJA</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000267482Member"
      id="t_244_5fdb8224_7bdb_4e7f_ae46_f617af89405c">This semi-annual shareholder report contains important information about the FT Vest Bitcoin Strategy Floor15 ETF - January (the &#x201c;Fund&#x201d;) for the period of January 9, 2026 (commencement of investment operations) to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000267482Member"
      id="t_245_93413ec3_5c46_46aa_95f8_73da0169580a">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000267482Member"
      id="t_246_00164f04_912a_4d20_a75a_1f780adb2396">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/BFJA&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000267482Member"
      id="t_248_ec409b2f_bf58_4811_969d_aeaff29388e9">www.ftportfolios.com/fund-documents/etf/BFJA</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000267482Member"
      id="t_249_d9bffda0_493c_4741_8993_46f4126eaec3">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000267482Member"
      id="t_247_e727bba5_9d98_47bb_8a11_2ceca5295063">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000267482Member"
      id="t_250_1d71018e_fb59_4e50_b5ce_edbc719b4748">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Bitcoin Strategy Floor15 ETF - January&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;39&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.90&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;The Fund commenced investment operations on January 9, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000267482Member"
      decimals="INF"
      id="h_398_21345ba9_d003_4d55_a43a_5edf1357c90b"
      unitRef="USD">39</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000267482Member"
      decimals="4"
      id="h_399_5e80f34c_50fa_4ee6_9071_488c2e99ef64"
      unitRef="pure">0.0090</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000267482Member"
      id="t_251_ee661418_d0fc_4695_91e7_52851d652a73">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;852,153&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000267482Member"
      decimals="INF"
      id="h_400_8e498f58_af9a_45da_8322_aa495a1101da"
      unitRef="USD">852153</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000267482Member"
      decimals="INF"
      id="h_401_7aae7a92_4510_473e_8cda_518670060733"
      unitRef="Holding">9</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000267482Member"
      decimals="4"
      id="h_402_e703ffe6_2729_400e_9c04_65458ad82e0c"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000267482Member"
      id="t_252_6eabf5b7_b03c_4b3f_ae4c_a59ed61b06d2">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Purchased Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1,529.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Written Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(1,432.2&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(0.1&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="TI20260630_C000267482Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_403_7dc9cc3d_51c6_4451_b80a_243a0875ffd6"
      unitRef="pure">0.029</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000267482Member_PurchasedOptionsMember"
      decimals="4"
      id="h_404_46ca0a74_e0e4_451a_938a_85006889e46f"
      unitRef="pure">15.294</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000267482Member_WrittenOptionsMember"
      decimals="4"
      id="h_405_cdf74367_8404_4482_a05e_be587c4d03ea"
      unitRef="pure">-14.322</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000267482Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_406_235fce27_44bc_4a60_8170_765b522fcd01"
      unitRef="pure">-0.001</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000267482Member"
      decimals="4"
      id="h_407_002bba07_52c5_4953_8612_6fc3bf6b56e3"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:ClassName
      contextRef="D20251231_20260630_C000257115Member"
      id="t_262_64b3152d_b7e5_c12f_f3e0_552273ee5e89">FT Vest Bitcoin Strategy Floor15 ETF - April</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000257115Member"
      id="t_263_11ec664b_e82d_037f_ee8c_813b12beaa9e">FT Vest Bitcoin Strategy Floor15 ETF - April</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000257115Member"
      id="t_264_4293672f_93eb_6d97_b12a_893a3168ef4a">BFAP</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000257115Member"
      id="t_253_d628a556_7b22_4710_b6a2_6b010b7d6ea5">This semi-annual shareholder report contains important information about the FT Vest Bitcoin Strategy Floor15 ETF - April (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000257115Member"
      id="t_254_07cd9699_2481_47fb_b606_3ce8de6552a1">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000257115Member"
      id="t_255_97dbca7d_c743_4805_9a8e_d118712c2ef4">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/BFAP&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000257115Member"
      id="t_257_b3c74839_6e2a_4425_b53a_5f77bd5c86cf">www.ftportfolios.com/fund-documents/etf/BFAP</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000257115Member"
      id="t_258_20c21042_08a2_4111_9904_57fbe6977993">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000257115Member"
      id="t_256_abb31539_7f8d_4126_9db0_94ca7ca824fd">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000257115Member"
      id="t_265_2dc3b179_88d8_714f_e6eb_b05082b848fd">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Bitcoin Strategy Floor15 ETF - April&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;39&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.90&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000257115Member"
      decimals="INF"
      id="h_408_230e96c9_c5cc_421c_abbb_bfc6f3d78e66"
      unitRef="USD">39</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000257115Member"
      decimals="4"
      id="h_409_a099308c_85dd_4d8c_8677_1f48d2ea53be"
      unitRef="pure">0.0090</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000257115Member"
      id="t_266_b0301873_4411_0dee_3d11_591b234f86b2">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;2,068,289&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000257115Member"
      decimals="INF"
      id="h_410_d8e7f579_3607_4e8d_9a98_ac4137f48482"
      unitRef="USD">2068289</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000257115Member"
      decimals="INF"
      id="h_411_db8aa565_0f55_41be_8ec1_79f61eea14fe"
      unitRef="Holding">9</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000257115Member"
      decimals="4"
      id="h_412_9b947271_763e_4da0_892c_db0ae247a796"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000257115Member"
      id="t_267_e40bbfd1_d00b_5b82_4774_edc779266330">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Purchased Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1,314.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Written Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(1,215.8&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(0.1&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="TI20260630_C000257115Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_413_1cc29e8d_1924_4b95_8f8f_ecb5185f1c9b"
      unitRef="pure">0.018</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257115Member_PurchasedOptionsMember"
      decimals="4"
      id="h_414_cb5a0b08_c22a_4c1e_8eaa_a438259d52e5"
      unitRef="pure">13.141</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257115Member_WrittenOptionsMember"
      decimals="4"
      id="h_415_1108e6b6_3a84_4d1c_9b0e_dde372ae317d"
      unitRef="pure">-12.158</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257115Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_416_ffdd17e8_5c0b_4673_8863_e9b24518a9d4"
      unitRef="pure">-0.001</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257115Member"
      decimals="4"
      id="h_417_c80f5236_30f4_4581_8a34_364cbcef51f2"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:ClassName
      contextRef="D20251231_20260630_C000261438Member"
      id="t_271_08fc12ed_b84f_7efb_dab5_0f105d14de54">FT Vest Bitcoin Strategy Floor15 ETF - July</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000261438Member"
      id="t_272_d92f23f7_8996_6220_3524_c53109bafb94">FT Vest Bitcoin Strategy Floor15 ETF - July</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000261438Member"
      id="t_273_3ecd2061_0c0c_08de_3053_497da9a2568c">BFJL</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000261438Member"
      id="t_262_a286c387_8fb7_4b9d_b423_677cd4075116">This semi-annual shareholder report contains important information about the FT Vest Bitcoin Strategy Floor15 ETF - July (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000261438Member"
      id="t_263_70649fc4_b7ad_4a2e_837b_9de7c31a51d4">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000261438Member"
      id="t_264_d4943285_f3ba_4ed5_9b43_8859e414cea5">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/BFJL&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000261438Member"
      id="t_266_0b8f8e6c_c4d8_483d_90cd_5b8aa25c9a72">www.ftportfolios.com/fund-documents/etf/BFJL</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000261438Member"
      id="t_267_d6ef7afe_8e0e_4732_acfc_ae6825f518d5">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000261438Member"
      id="t_265_28c5ffcb_7a7c_47da_987e_a977062a815f">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000261438Member"
      id="t_268_7321441e_cdf9_4283_b27c_f298ca437965">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Bitcoin Strategy Floor15 ETF - July&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;43&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.90&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000261438Member"
      decimals="INF"
      id="h_418_64252ca7_860e_4c31_a0d7_55a5ccebb5ca"
      unitRef="USD">43</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000261438Member"
      decimals="4"
      id="h_419_b0347714_e242_4224_b74b_1c56f54f40b1"
      unitRef="pure">0.0090</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000261438Member"
      id="t_269_f903c59f_91fe_4283_a843_25b534135533">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;3,340,851&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000261438Member"
      decimals="INF"
      id="h_420_c1288a8c_ab42_4d71_96c3_60fb29cb270f"
      unitRef="USD">3340851</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000261438Member"
      decimals="INF"
      id="h_421_b2c6156c_0174_439f_a9a4_12da74681fd7"
      unitRef="Holding">9</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000261438Member"
      decimals="4"
      id="h_422_771a6907_9aa9_4d7f_8693_0405cb24eba2"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000261438Member"
      id="t_270_f8756bff_85ba_4f22_85a6_e577ddaf0992">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Purchased Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1,311.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Written Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(1,213.0&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(0.3&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="TI20260630_C000261438Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_423_173f1ff1_42d3_4c8c_a5bc_2f34bc7ef582"
      unitRef="pure">0.021</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000261438Member_PurchasedOptionsMember"
      decimals="4"
      id="h_424_9177dba2_1518_48a5_ba34_5e1f4b005b46"
      unitRef="pure">13.112</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000261438Member_WrittenOptionsMember"
      decimals="4"
      id="h_425_ad398281_e1f7_4f5c_869b_55e5dc1a2b57"
      unitRef="pure">-12.130</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000261438Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_426_793d4508_ac83_42e2_a2f0_5d0182df26a1"
      unitRef="pure">-0.003</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000261438Member"
      decimals="4"
      id="h_427_9f9e263a_7646_4d15_b9c2_6094d5937d69"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:ClassName
      contextRef="D20251231_20260630_C000264342Member"
      id="t_280_00360b96_aa3c_306f_7e38_6a4ba0214d33">FT Vest Bitcoin Strategy Floor15 ETF - October</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000264342Member"
      id="t_281_1db8ab92_6b38_1a82_f143_3596f2e0229f">FT Vest Bitcoin Strategy Floor15 ETF - October</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000264342Member"
      id="t_282_48295482_a663_2ac8_3155_c51f3c004352">BFOC</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000264342Member"
      id="t_271_c17eeb79_3d3a_46e2_a505_ab290abc2b49">This semi-annual shareholder report contains important information about the FT Vest Bitcoin Strategy Floor15 ETF - October (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000264342Member"
      id="t_272_cdacff90_4dbd_4488_ac83_8a9afb2544d1">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000264342Member"
      id="t_273_b20d744d_c9c9_4f97_a5ac_69615f3d0406">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/BFOC&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000264342Member"
      id="t_275_bf1d2138_2c1b_4955_a360_12b2014ffcff">www.ftportfolios.com/fund-documents/etf/BFOC</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000264342Member"
      id="t_276_61ec09c3_3e56_49be_8036_53eafa8185ee">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000264342Member"
      id="t_274_d049270f_51e8_4d4b_be7f_e6ef10df3a12">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000264342Member"
      id="t_277_dac9cb46_d03b_4301_b16d_5df2abb7e80b">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Bitcoin Strategy Floor15 ETF - October&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;43&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.90&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000264342Member"
      decimals="INF"
      id="h_428_7bfa8fd5_7ab1_4dec_8a6c_03629687e07c"
      unitRef="USD">43</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000264342Member"
      decimals="4"
      id="h_429_83f2d015_519a_4abc_bf53_ececfea49163"
      unitRef="pure">0.0090</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000264342Member"
      id="t_278_8065fcf4_52d7_4a80_942a_cef2e23d8669">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;7,620,009&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;9&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000264342Member"
      decimals="INF"
      id="h_430_6b79d2ac_6cbf_4728_a76c_fd36e7491ecf"
      unitRef="USD">7620009</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000264342Member"
      decimals="INF"
      id="h_431_0377a902_85d1_4458_a36c_4140ebf07dd0"
      unitRef="Holding">9</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000264342Member"
      decimals="4"
      id="h_432_0bafa583_c166_4591_aa0b_ed245cf348f9"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000264342Member"
      id="t_279_7f1d6221_610d_4982_8c74_2345776bc79b">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Purchased Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1,566.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Written Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(1,467.7&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(0.1&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="TI20260630_C000264342Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_433_d5f3afe4_9858_43f7_a781_338b068a3e04"
      unitRef="pure">0.016</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000264342Member_PurchasedOptionsMember"
      decimals="4"
      id="h_434_4cb31797_e9bc_4a0c_b44f_a612b5e6c05f"
      unitRef="pure">15.662</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000264342Member_WrittenOptionsMember"
      decimals="4"
      id="h_435_ae1ef546_7a39_45b4_a188_6057949a7ff2"
      unitRef="pure">-14.677</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000264342Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_436_b0b10f1d_1e13_4c17_8c23_84f95d27fdf7"
      unitRef="pure">-0.001</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000264342Member"
      decimals="4"
      id="h_437_571de19e_e942_4dda_911c_a0b89db313c5"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:ClassName
      contextRef="D20251231_20260630_C000257572Member"
      id="t_289_941a2c5f_c278_e9b3_3a68_b3449304136d">FT Vest Bitcoin Strategy &amp; Target Income ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000257572Member"
      id="t_290_1daa52d6_13d5_aeab_a466_938e9e9882ca">FT Vest Bitcoin Strategy &amp; Target Income ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000257572Member"
      id="t_291_487c242a_6825_7493_6eb3_3daa166f5d3f">DFII</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000257572Member"
      id="t_280_911baa03_6d93_4371_938d_7d895bfd89f5">This semi-annual shareholder report contains important information about the FT Vest Bitcoin Strategy &amp;amp; Target Income ETF (the &#x201c;Fund&#x201d;) for the period of January 1, 2026 to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000257572Member"
      id="t_281_a8c339bc_d8c3_4d8f_9ec5_f9321783cb82">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000257572Member"
      id="t_282_7cd1dbc7_a0fd_4be8_bfcd_c8e763b5bfdd">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/DFII&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000257572Member"
      id="t_284_0294c67f_5584_4257_9f5c_93c6dc23f582">www.ftportfolios.com/fund-documents/etf/DFII</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000257572Member"
      id="t_285_94dbfa9c_f037_45bc_8a37_6b7f552b0374">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000257572Member"
      id="t_283_73fde2d2_26f2_4d8d_8605_529721455508">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000257572Member"
      id="t_286_1cde78c8_0d59_4b91_bd8e_5945f5685852">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Bitcoin Strategy &amp;amp; Target Income ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;35&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.85&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000257572Member"
      decimals="INF"
      id="h_438_983bf711_5bbb_46c3_b56e_a1479b5bfa4a"
      unitRef="USD">35</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000257572Member"
      decimals="4"
      id="h_439_41c4fca0_9a13_446c_9d4a_83d7bb6bdae1"
      unitRef="pure">0.0085</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000257572Member"
      id="t_287_bceb4b6b_ceb7_46ac_a8ea_6b500442e98c">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;16,052,645&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;8&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000257572Member"
      decimals="INF"
      id="h_440_582c64f1_d3fb_4b5e_8646_c50580a91949"
      unitRef="USD">16052645</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000257572Member"
      decimals="INF"
      id="h_441_ee486f83_6f1f_48eb_b8d1_347948e63b7f"
      unitRef="Holding">8</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000257572Member"
      decimals="4"
      id="h_442_dcb1dd6c_69b1_4ee1_a7db_1af25b39a075"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000257572Member"
      id="t_288_f1dd0739_568d_4570_8c56_0fcfcc18ded8">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of net assets of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Purchased Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1,724.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Written Options&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;(1,627.4&lt;span&gt;%&lt;/span&gt;&lt;span&gt;)&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfNav
      contextRef="TI20260630_C000257572Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_443_f7be0706_3e0c_4582_9f5a_152df91cbc77"
      unitRef="pure">0.008</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257572Member_PurchasedOptionsMember"
      decimals="4"
      id="h_444_6e104a15_dce7_42dc_88f3_776e150637b4"
      unitRef="pure">17.240</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257572Member_WrittenOptionsMember"
      decimals="4"
      id="h_445_336c7d92_e9cf_44f3_adcb_923bcb44c77c"
      unitRef="pure">-16.274</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257572Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_446_2bb9a1d1_81f8_4bef_9dee_6695f3887413"
      unitRef="pure">0.026</oef:PctOfNav>
    <oef:PctOfNav
      contextRef="TI20260630_C000257572Member"
      decimals="4"
      id="h_447_43ee4b47_c7a5_4a5b_876a_c82c3c90a5b8"
      unitRef="pure">1.000</oef:PctOfNav>
    <oef:ClassName
      contextRef="D20251231_20260630_C000261458Member"
      id="t_299_6ea94163_def8_b239_ab1a_dfe785d85d59">FT Vest Laddered Autocallable Barrier &amp; Income ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000261458Member"
      id="t_300_488dedbf_d142_10c4_7e07_aa318d94b767">FT Vest Laddered Autocallable Barrier &amp; Income ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000261458Member"
      id="t_298_889f193b_bca1_8edd_2ddb_0deedec655d7">ACYN</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000261458Member"
      id="t_289_798366fc_7a9e_4486_b005_e9a0bd8fc5b4">This semi-annual shareholder report contains important information about the FT Vest Laddered Autocallable Barrier &amp;amp; Income ETF (the &#x201c;Fund&#x201d;) for the period of February 24, 2026 (commencement of investment operations) to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000261458Member"
      id="t_290_468582fc_edc0_452b_9067_52ae3deb1f0e">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000261458Member"
      id="t_291_9e02da15_7745_4173_aea6_a6aa220c7235">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/ACYN&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000261458Member"
      id="t_293_6f58758c_cdf1_40b2_9137_8f6f85091303">www.ftportfolios.com/fund-documents/etf/ACYN</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000261458Member"
      id="t_294_7c36f534_182e_4e97_9b1d_d0d60e80f343">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000261458Member"
      id="t_292_7c6eaf5a_2e44_48ba_ac4a_a94434b50837">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000261458Member"
      id="t_295_1e22040a_c3e5_48c6_937b_0dfcd4e93cc8">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Laddered Autocallable Barrier &amp;amp; Income ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;27&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.75&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;The Fund commenced investment operations on February 24, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000261458Member"
      decimals="INF"
      id="h_448_f97e7776_0656_4da2_a906_e63888bc7fde"
      unitRef="USD">27</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000261458Member"
      decimals="4"
      id="h_449_3787b4bd_041b_4d2c_9afc_b2a17453ea1e"
      unitRef="pure">0.0075</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000261458Member"
      id="t_296_6b061aa0_c1be_4610_b752_659e29381f62">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;959,249,625&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000261458Member"
      decimals="INF"
      id="h_450_7917c466_b988_4a61_97a1_d8dc2595d574"
      unitRef="USD">959249625</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000261458Member"
      decimals="INF"
      id="h_451_a8e08298_61a0_42ba_90d7_6a11cdcd4ea7"
      unitRef="Holding">7</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000261458Member"
      decimals="4"
      id="h_452_bf1e5671_c7c3_4d53_9f26_1c2c2db822c8"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000261458Member"
      id="t_297_ba7278e3_acb7_4d91_b359_31706320701b">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;U.S. Treasury Bills&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;67.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;29.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:1.5em;margin-right:0px;margin-bottom:7.5pt;margin-left:0px;font-family:'times new roman';font-weight:normal;color:rgb(0, 0, 0);font-size:7.5pt;padding-left:1.5em;text-indent:-1.5em;line-height:8.25pt;letter-spacing:0.01pt;"&gt; &lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt; Includes unrealized appreciation (depreciation) on swap contracts.&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000261458Member_USTreasuryBillSecuritiesMember"
      decimals="4"
      id="h_453_d1c0c6f3_5674_446d_9c0a_fa9505c2e318"
      unitRef="pure">0.670</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000261458Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_454_fa874657_e4eb_404d_b95b_4b92bf253053"
      unitRef="pure">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000261458Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_455_8f48b00b_f1e3_4802_945a_ecfb8f646312"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000261458Member"
      decimals="4"
      id="h_456_388af02e_ab4c_4cf4_8b6e_aaebbe82a5c4"
      unitRef="pure">1.000</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000271975Member"
      id="t_307_1e747b60_f38a_286e_40c6_36c6cf8a05fb">FT Vest Laddered Autocallable Barrier &amp; Resilient Income ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000271975Member"
      id="t_308_e06ce8e3_68cd_7cec_4b16_77174c18b91e">FT Vest Laddered Autocallable Barrier &amp; Resilient Income ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000271975Member"
      id="t_309_d2e012d8_8814_d0d1_960f_4537abf69a09">ACYS</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000271975Member"
      id="t_298_84e4dea6_816b_46e7_8e79_965232e52689">This semi-annual shareholder report contains important information about the FT Vest Laddered Autocallable Barrier &amp;amp; Resilient Income ETF (the &#x201c;Fund&#x201d;) for the period of April 22, 2026 (commencement of investment operations) to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000271975Member"
      id="t_299_aff3f86f_e86d_4199_8348_002247716c1f">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000271975Member"
      id="t_300_3f3d8946_3ecc_4afc_b6ba_26c52d5d0525">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/ACYS&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000271975Member"
      id="t_302_a5b5b406_5f04_4b11_9dc7_78075e166362">www.ftportfolios.com/fund-documents/etf/ACYS</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000271975Member"
      id="t_303_fef5ae20_c183_4a3b_a28b_27b21c743657">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000271975Member"
      id="t_301_48e504fe_dab7_434d_8fe2_a6f84a2dea24">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000271975Member"
      id="t_304_eb5218f0_a59d_4aba_b478_99fbd9f9ae45">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Laddered Autocallable Barrier &amp;amp; Resilient Income ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;15&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.75&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;The Fund commenced investment operations on April 22, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000271975Member"
      decimals="INF"
      id="h_457_3821214e_c791_4fa5_90b2_0381a72e5169"
      unitRef="USD">15</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000271975Member"
      decimals="4"
      id="h_458_f8a9f364_5a62_480f_b912_e4b3bf2cb3c4"
      unitRef="pure">0.0075</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000271975Member"
      id="t_305_f07057e3_834c_4446_afb7_1e8e1a95f36a">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;164,075,508&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000271975Member"
      decimals="INF"
      id="h_459_e53955d2_745a_45a1_8c5a_1cdd56ec6f58"
      unitRef="USD">164075508</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000271975Member"
      decimals="INF"
      id="h_460_f797a451_ac15_407a_ac62_fda19f44bf2d"
      unitRef="Holding">7</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000271975Member"
      decimals="4"
      id="h_461_d04f4cc0_796d_46a3_8322_5221ec2f6ec3"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000271975Member"
      id="t_306_337958e6_39ee_4543_9eae_9aef833b0314">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;U.S. Treasury Bills&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;72.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;22.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:1.5em;margin-right:0px;margin-bottom:7.5pt;margin-left:0px;font-family:'times new roman';font-weight:normal;color:rgb(0, 0, 0);font-size:7.5pt;padding-left:1.5em;text-indent:-1.5em;line-height:8.25pt;letter-spacing:0.01pt;"&gt; &lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt; Includes unrealized appreciation (depreciation) on swap contracts.&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271975Member_USTreasuryBillSecuritiesMember"
      decimals="4"
      id="h_462_0d878b75_9182_4aff_a753_a42c3da6148a"
      unitRef="pure">0.726</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271975Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_463_67cf28c8_ac0d_4ca4_82d5_2ebdf9aba54a"
      unitRef="pure">0.221</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271975Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_464_325f07f8_1587_4321_8e2b_4cf49bc43e53"
      unitRef="pure">0.053</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271975Member"
      decimals="4"
      id="h_465_036f233f_3675_4df4_90d7_07589d2e094d"
      unitRef="pure">1.000</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20251231_20260630_C000271152Member"
      id="t_316_ce3c0f9f_6d3c_9534_4c48_934a23b514d0">FT Vest Autocallable Barrier &amp; High Income ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20251231_20260630_C000271152Member"
      id="t_317_1b10b34b_aa89_f822_caf3_bf51d1aa1f1d">FT Vest Autocallable Barrier &amp; High Income ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20251231_20260630_C000271152Member"
      id="t_318_8092c364_9846_6b92_65ac_57d43ddd0b93">ACYQ</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251231_20260630_C000271152Member"
      id="t_307_4f8276c1_c893_4b41_a440_491a7bbfca4f">This semi-annual shareholder report contains important information about the FT Vest Autocallable Barrier &amp;amp; High Income ETF (the &#x201c;Fund&#x201d;) for the period of June 23, 2026 (commencement of investment operations) to June 30, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20251231_20260630_C000271152Member"
      id="t_308_4da6b682_0082_478c_8859_8db596253f66">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20251231_20260630_C000271152Member"
      id="t_309_0cc7a998_15c2_420f_ad80_1e2ed093d6a9">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/ACYQ&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-size:9pt;font-weight:normal;font-family:'times new roman'"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251231_20260630_C000271152Member"
      id="t_311_494d5465_5784_4273_931d_1794247d03f2">www.ftportfolios.com/fund-documents/etf/ACYQ</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251231_20260630_C000271152Member"
      id="t_312_2402b1c1_6d5b_4440_affb_ace511fca3d6">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251231_20260630_C000271152Member"
      id="t_310_03fc93f1_233e_47f8_a08e_d56040dafe80">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20251231_20260630_C000271152Member"
      id="t_313_455ab34e_ace0_4f9b_a623_e6db28fb4fa6">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-family:'times new roman';font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-after:avoid;break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; font-weight: bold; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left; vertical-align: baseline;"&gt;FT Vest Autocallable Barrier &amp;amp; High Income ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;2&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); vertical-align: baseline; white-space: nowrap;"&gt;0.75&lt;span&gt;%&lt;/span&gt;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;The Fund commenced investment operations on June 23, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;&#x200b;&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(2)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Times New Roman'; font-weight: normal; color: rgb(0, 0, 0); text-align: left; padding-top: 2.25pt; padding-right: 0; padding-bottom: 0; padding-left: 0; font-style: normal; font-size: 7.5pt; vertical-align: baseline;"&gt;
&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;"&gt;Annualized. &lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251231_20260630_C000271152Member"
      decimals="INF"
      id="h_466_c44cda7f_ee4c_498c_86c2_3114270810df"
      unitRef="USD">2</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251231_20260630_C000271152Member"
      decimals="4"
      id="h_467_fa9549ee_9cdf_4414_824c_5a9274ee7269"
      unitRef="pure">0.0075</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251231_20260630_C000271152Member"
      id="t_314_53c1fb72_185c_4c3f_8ec3_00cc2755f51d">&lt;div style="margin-top:9pt;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;KEY FUND STATISTICS (As of June 30, 2026)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;7,073,309&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:0.5pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-width:initial;border-bottom-color:initial;border-bottom-style:none"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; color: rgb(0, 0, 0); text-align: left; width: 60%; font-style: normal; font-weight: bold;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260630_C000271152Member"
      decimals="INF"
      id="h_468_94669cd9_d4d1_4579_a5c8_44ad500176c9"
      unitRef="USD">7073309</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20260630_C000271152Member"
      decimals="INF"
      id="h_469_cd1d2ea7_50f4_41f6_bbe7_8f82547f4cd2"
      unitRef="Holding">7</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251231_20260630_C000271152Member"
      decimals="4"
      id="h_470_849154ed_0e11_43d2_acea_9d6cfd31bef4"
      unitRef="pure">0</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20251231_20260630_C000271152Member"
      id="t_315_1874007e_41e9_44d6_9e61_1437304b9639">&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:2.7pt;margin-left:0px;font-family:'times new roman';font-size:11.52pt;font-weight:bold;color:rgb(0, 60, 113);"&gt;WHAT DID THE FUND INVEST IN? (As of June 30, 2026)&lt;/div&gt;&lt;div style="margin-top:0px;margin-right:0px;margin-bottom:9pt;margin-left:0px;font-size:9pt;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';"&gt;The table below shows the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="font-family:'times new roman';font-size:9pt;letter-spacing:1.25px;text-transform:uppercase;text-align:center;font-weight:bold;color:rgb(0, 0, 0);margin-top:4.5pt;margin-right:0px;margin-bottom:0px;margin-left:0px;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt;padding-bottom:4.5pt;"&gt; &lt;b&gt;Fund Allocation&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page;page-break-inside:avoid"&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;U.S. Treasury Bills&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;91.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:rgb(0, 0, 0);border-bottom-style:solid;border-bottom-width:1pt"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Net Other Assets and Liabilities&lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;1.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="break-inside:avoid-page;page-break-inside:avoid;height:auto;border-bottom-color:initial;border-bottom-style:none;border-bottom-width:initial"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); text-align: left;"&gt;Total&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'Times New Roman'; font-size: 9pt; font-weight: normal; color: rgb(0, 0, 0); white-space: nowrap;"&gt;100.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="margin-top:1.5em;margin-right:0px;margin-bottom:7.5pt;margin-left:0px;font-family:'times new roman';font-weight:normal;color:rgb(0, 0, 0);font-size:7.5pt;padding-left:1.5em;text-indent:-1.5em;line-height:8.25pt;letter-spacing:0.01pt;"&gt; &lt;sup style="font-size:smaller;line-height:0px;vertical-align:3.2pt"&gt;(1)&lt;/sup&gt; Includes unrealized appreciation (depreciation) on swap contracts.&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271152Member_USTreasuryBillSecuritiesMember"
      decimals="4"
      id="h_471_343080fb_f201_4d19_80d0_9718f9bcfa44"
      unitRef="pure">0.914</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271152Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_472_d69ac95e_b708_4cff_bcaa_8f1d10307d28"
      unitRef="pure">0.075</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271152Member_NetOtherAssetsAndLiabilitiesMember"
      decimals="4"
      id="h_473_0ca88578_19d7_4b3c_92f2_f520754a0759"
      unitRef="pure">0.011</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260630_C000271152Member"
      decimals="4"
      id="h_474_dd5a6cf9_571b_4210_8de3_beb568e679d7"
      unitRef="pure">1.000</oef:PctOfTotalInv>
    <link:footnoteLink
      xlink:role="http://www.xbrl.org/2003/role/link"
      xlink:type="extended">
        <link:loc
          xlink:href="#h_107_977e63c5_878f_4c35_881a_b86f8589692e"
          xlink:label="h_107_977e63c5_878f_4c35_881a_b86f8589692e"
          xlink:type="locator"/>
        <link:footnote id="f_0015_000009" xlink:label="f_0015_000009" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_107_977e63c5_878f_4c35_881a_b86f8589692e"
          xlink:to="f_0015_000009"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_122_4ff42003_6e32_4983_aed9_db125bb4231a"
          xlink:label="h_122_4ff42003_6e32_4983_aed9_db125bb4231a"
          xlink:type="locator"/>
        <link:footnote id="f_0017_000010" xlink:label="f_0017_000010" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_122_4ff42003_6e32_4983_aed9_db125bb4231a"
          xlink:to="f_0017_000010"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_137_6772d1d0_5e11_4da3_a9d3_95fe7f7bc0aa"
          xlink:label="h_137_6772d1d0_5e11_4da3_a9d3_95fe7f7bc0aa"
          xlink:type="locator"/>
        <link:footnote id="f_0019_000011" xlink:label="f_0019_000011" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_137_6772d1d0_5e11_4da3_a9d3_95fe7f7bc0aa"
          xlink:to="f_0019_000011"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_152_c4d3c257_33a5_4fc2_b720_306ccb9b3665"
          xlink:label="h_152_c4d3c257_33a5_4fc2_b720_306ccb9b3665"
          xlink:type="locator"/>
        <link:footnote id="f_0021_000001" xlink:label="f_0021_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_152_c4d3c257_33a5_4fc2_b720_306ccb9b3665"
          xlink:to="f_0021_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_167_4d75cf4a_9d40_4bea_9539_5000816b08c8"
          xlink:label="h_167_4d75cf4a_9d40_4bea_9539_5000816b08c8"
          xlink:type="locator"/>
        <link:footnote id="f_0023_000001" xlink:label="f_0023_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_167_4d75cf4a_9d40_4bea_9539_5000816b08c8"
          xlink:to="f_0023_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_17_3261a484_ef55_413a_aaac_4c3583c8e550"
          xlink:label="h_17_3261a484_ef55_413a_aaac_4c3583c8e550"
          xlink:type="locator"/>
        <link:footnote id="f_0003_000002" xlink:label="f_0003_000002" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_17_3261a484_ef55_413a_aaac_4c3583c8e550"
          xlink:to="f_0003_000002"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_182_bb245502_ad32_4c33_8a76_ae398b451843"
          xlink:label="h_182_bb245502_ad32_4c33_8a76_ae398b451843"
          xlink:type="locator"/>
        <link:footnote id="f_0025_000001" xlink:label="f_0025_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_182_bb245502_ad32_4c33_8a76_ae398b451843"
          xlink:to="f_0025_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_197_a2cd29f9_0eea_4f75_96cd_6ca2751813e0"
          xlink:label="h_197_a2cd29f9_0eea_4f75_96cd_6ca2751813e0"
          xlink:type="locator"/>
        <link:footnote id="f_0027_000001" xlink:label="f_0027_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_197_a2cd29f9_0eea_4f75_96cd_6ca2751813e0"
          xlink:to="f_0027_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_2_43aee08c_3d6e_4eb4_a80d_e8e1face4433"
          xlink:label="h_2_43aee08c_3d6e_4eb4_a80d_e8e1face4433"
          xlink:type="locator"/>
        <link:footnote id="f_0001_000001" xlink:label="f_0001_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_2_43aee08c_3d6e_4eb4_a80d_e8e1face4433"
          xlink:to="f_0001_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_212_4d6c648c_0515_4f79_a50b_a0352ce72106"
          xlink:label="h_212_4d6c648c_0515_4f79_a50b_a0352ce72106"
          xlink:type="locator"/>
        <link:footnote id="f_0029_000016" xlink:label="f_0029_000016" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_212_4d6c648c_0515_4f79_a50b_a0352ce72106"
          xlink:to="f_0029_000016"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_227_94471b77_dcc2_4a4a_b937_ad21fc8ccfa8"
          xlink:label="h_227_94471b77_dcc2_4a4a_b937_ad21fc8ccfa8"
          xlink:type="locator"/>
        <link:footnote id="f_0031_000017" xlink:label="f_0031_000017" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_227_94471b77_dcc2_4a4a_b937_ad21fc8ccfa8"
          xlink:to="f_0031_000017"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_242_df0ff41d_d1d1_489e_a882_9c1b611b8aef"
          xlink:label="h_242_df0ff41d_d1d1_489e_a882_9c1b611b8aef"
          xlink:type="locator"/>
        <link:footnote id="f_0033_000018" xlink:label="f_0033_000018" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_242_df0ff41d_d1d1_489e_a882_9c1b611b8aef"
          xlink:to="f_0033_000018"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_257_58d6aef8_6f59_41b3_a0f6_2e07482e3771"
          xlink:label="h_257_58d6aef8_6f59_41b3_a0f6_2e07482e3771"
          xlink:type="locator"/>
        <link:footnote id="f_0035_000019" xlink:label="f_0035_000019" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_257_58d6aef8_6f59_41b3_a0f6_2e07482e3771"
          xlink:to="f_0035_000019"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_272_483289e3_0ccf_4b84_962f_97ab125c6b39"
          xlink:label="h_272_483289e3_0ccf_4b84_962f_97ab125c6b39"
          xlink:type="locator"/>
        <link:footnote id="f_0037_000020" xlink:label="f_0037_000020" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_272_483289e3_0ccf_4b84_962f_97ab125c6b39"
          xlink:to="f_0037_000020"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_287_68abfc38_3f20_4ff6_8b71_9194514e99ee"
          xlink:label="h_287_68abfc38_3f20_4ff6_8b71_9194514e99ee"
          xlink:type="locator"/>
        <link:footnote id="f_0039_000021" xlink:label="f_0039_000021" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_287_68abfc38_3f20_4ff6_8b71_9194514e99ee"
          xlink:to="f_0039_000021"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_302_3b6c26f5_1e7f_4054_b632_47002dc1ec61"
          xlink:label="h_302_3b6c26f5_1e7f_4054_b632_47002dc1ec61"
          xlink:type="locator"/>
        <link:footnote id="f_0041_000001" xlink:label="f_0041_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_302_3b6c26f5_1e7f_4054_b632_47002dc1ec61"
          xlink:to="f_0041_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_31_9622892b_b7c3_4434_b609_7fe2e931feca"
          xlink:label="h_31_9622892b_b7c3_4434_b609_7fe2e931feca"
          xlink:type="locator"/>
        <link:footnote id="f_0005_000001" xlink:label="f_0005_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Excludes any Acquired Fund Fees and Expenses of the&#160;underlying investment companies in which the Fund invests.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_31_9622892b_b7c3_4434_b609_7fe2e931feca"
          xlink:to="f_0005_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_317_ff0a57e3_a3f3_4740_a27b_1aa7ee361cb0"
          xlink:label="h_317_ff0a57e3_a3f3_4740_a27b_1aa7ee361cb0"
          xlink:type="locator"/>
        <link:footnote id="f_0043_000001" xlink:label="f_0043_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_317_ff0a57e3_a3f3_4740_a27b_1aa7ee361cb0"
          xlink:to="f_0043_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_32_5eac4a42_cb2b_4da1_892d_aae4967369dc"
          xlink:label="h_32_5eac4a42_cb2b_4da1_892d_aae4967369dc"
          xlink:type="locator"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_32_5eac4a42_cb2b_4da1_892d_aae4967369dc"
          xlink:to="f_0005_000001"
          xlink:type="arc"/>
        <link:footnote id="f_0005_000002" xlink:label="f_0005_000002" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_32_5eac4a42_cb2b_4da1_892d_aae4967369dc"
          xlink:to="f_0005_000002"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_331_9a32553d_b698_459e_b7cd_b29b3df534c7"
          xlink:label="h_331_9a32553d_b698_459e_b7cd_b29b3df534c7"
          xlink:type="locator"/>
        <link:footnote id="f_0045_000024" xlink:label="f_0045_000024" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Excludes any Acquired Fund Fees and Expenses of the&#160;underlying investment companies in which the Fund invests.</xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_331_9a32553d_b698_459e_b7cd_b29b3df534c7"
          xlink:to="f_0045_000024"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_332_e23fffc6_fafb_4d65_9bbc_77715a140c97"
          xlink:label="h_332_e23fffc6_fafb_4d65_9bbc_77715a140c97"
          xlink:type="locator"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_332_e23fffc6_fafb_4d65_9bbc_77715a140c97"
          xlink:to="f_0045_000024"
          xlink:type="arc"/>
        <link:footnote id="f_0045_000025" xlink:label="f_0045_000025" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_332_e23fffc6_fafb_4d65_9bbc_77715a140c97"
          xlink:to="f_0045_000025"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_343_23186af4_d8e1_4bb6_9f19_ba3451d26972"
          xlink:label="h_343_23186af4_d8e1_4bb6_9f19_ba3451d26972"
          xlink:type="locator"/>
        <link:footnote id="f_0047_000001" xlink:label="f_0047_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_343_23186af4_d8e1_4bb6_9f19_ba3451d26972"
          xlink:to="f_0047_000001"
          xlink:type="arc"/>
        <link:footnote id="f_0047_000002" xlink:label="f_0047_000002" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes extraordinary expenses. If these extraordinary expenses were not included, the expense ratio would have been 0.85%.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_343_23186af4_d8e1_4bb6_9f19_ba3451d26972"
          xlink:to="f_0047_000002"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_354_b5a8b7e0_80bf_4dc7_b486_51306bdb876e"
          xlink:label="h_354_b5a8b7e0_80bf_4dc7_b486_51306bdb876e"
          xlink:type="locator"/>
        <link:footnote id="f_0049_000001" xlink:label="f_0049_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_354_b5a8b7e0_80bf_4dc7_b486_51306bdb876e"
          xlink:to="f_0049_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_369_233d0f84_91a7_4d7f_a675_980c86b2d730"
          xlink:label="h_369_233d0f84_91a7_4d7f_a675_980c86b2d730"
          xlink:type="locator"/>
        <link:footnote id="f_0051_000001" xlink:label="f_0051_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_369_233d0f84_91a7_4d7f_a675_980c86b2d730"
          xlink:to="f_0051_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_383_b4f8a74a_7cf4_4109_9412_3e5c9c14e528"
          xlink:label="h_383_b4f8a74a_7cf4_4109_9412_3e5c9c14e528"
          xlink:type="locator"/>
        <link:footnote id="f_0053_000028" xlink:label="f_0053_000028" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">The Fund commenced investment operations on April 21, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.</xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_383_b4f8a74a_7cf4_4109_9412_3e5c9c14e528"
          xlink:to="f_0053_000028"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_384_a893a1be_08f3_4a91_a0f0_7faa8ff304cc"
          xlink:label="h_384_a893a1be_08f3_4a91_a0f0_7faa8ff304cc"
          xlink:type="locator"/>
        <link:footnote id="f_0053_000029" xlink:label="f_0053_000029" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_384_a893a1be_08f3_4a91_a0f0_7faa8ff304cc"
          xlink:to="f_0053_000029"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_398_21345ba9_d003_4d55_a43a_5edf1357c90b"
          xlink:label="h_398_21345ba9_d003_4d55_a43a_5edf1357c90b"
          xlink:type="locator"/>
        <link:footnote id="f_0055_000030" xlink:label="f_0055_000030" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">The Fund commenced investment operations on January 9, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.</xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_398_21345ba9_d003_4d55_a43a_5edf1357c90b"
          xlink:to="f_0055_000030"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_399_5e80f34c_50fa_4ee6_9071_488c2e99ef64"
          xlink:label="h_399_5e80f34c_50fa_4ee6_9071_488c2e99ef64"
          xlink:type="locator"/>
        <link:footnote id="f_0055_000031" xlink:label="f_0055_000031" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_399_5e80f34c_50fa_4ee6_9071_488c2e99ef64"
          xlink:to="f_0055_000031"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_409_a099308c_85dd_4d8c_8677_1f48d2ea53be"
          xlink:label="h_409_a099308c_85dd_4d8c_8677_1f48d2ea53be"
          xlink:type="locator"/>
        <link:footnote id="f_0057_000032" xlink:label="f_0057_000032" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_409_a099308c_85dd_4d8c_8677_1f48d2ea53be"
          xlink:to="f_0057_000032"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_419_b0347714_e242_4224_b74b_1c56f54f40b1"
          xlink:label="h_419_b0347714_e242_4224_b74b_1c56f54f40b1"
          xlink:type="locator"/>
        <link:footnote id="f_0059_000033" xlink:label="f_0059_000033" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_419_b0347714_e242_4224_b74b_1c56f54f40b1"
          xlink:to="f_0059_000033"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_429_83f2d015_519a_4abc_bf53_ececfea49163"
          xlink:label="h_429_83f2d015_519a_4abc_bf53_ececfea49163"
          xlink:type="locator"/>
        <link:footnote id="f_0061_000001" xlink:label="f_0061_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_429_83f2d015_519a_4abc_bf53_ececfea49163"
          xlink:to="f_0061_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_439_41c4fca0_9a13_446c_9d4a_83d7bb6bdae1"
          xlink:label="h_439_41c4fca0_9a13_446c_9d4a_83d7bb6bdae1"
          xlink:type="locator"/>
        <link:footnote id="f_0063_000001" xlink:label="f_0063_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_439_41c4fca0_9a13_446c_9d4a_83d7bb6bdae1"
          xlink:to="f_0063_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_448_f97e7776_0656_4da2_a906_e63888bc7fde"
          xlink:label="h_448_f97e7776_0656_4da2_a906_e63888bc7fde"
          xlink:type="locator"/>
        <link:footnote id="f_0065_000036" xlink:label="f_0065_000036" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">The Fund commenced investment operations on February 24, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.</xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_448_f97e7776_0656_4da2_a906_e63888bc7fde"
          xlink:to="f_0065_000036"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_449_3787b4bd_041b_4d2c_9afc_b2a17453ea1e"
          xlink:label="h_449_3787b4bd_041b_4d2c_9afc_b2a17453ea1e"
          xlink:type="locator"/>
        <link:footnote id="f_0065_000037" xlink:label="f_0065_000037" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_449_3787b4bd_041b_4d2c_9afc_b2a17453ea1e"
          xlink:to="f_0065_000037"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_455_8f48b00b_f1e3_4802_945a_ecfb8f646312"
          xlink:label="h_455_8f48b00b_f1e3_4802_945a_ecfb8f646312"
          xlink:type="locator"/>
        <link:footnote id="f_0065_000038" xlink:label="f_0065_000038" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes unrealized appreciation (depreciation) on swap contracts.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_455_8f48b00b_f1e3_4802_945a_ecfb8f646312"
          xlink:to="f_0065_000038"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_457_3821214e_c791_4fa5_90b2_0381a72e5169"
          xlink:label="h_457_3821214e_c791_4fa5_90b2_0381a72e5169"
          xlink:type="locator"/>
        <link:footnote id="f_0067_000039" xlink:label="f_0067_000039" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">The Fund commenced investment operations on April 22, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.</xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_457_3821214e_c791_4fa5_90b2_0381a72e5169"
          xlink:to="f_0067_000039"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_458_f8a9f364_5a62_480f_b912_e4b3bf2cb3c4"
          xlink:label="h_458_f8a9f364_5a62_480f_b912_e4b3bf2cb3c4"
          xlink:type="locator"/>
        <link:footnote id="f_0067_000040" xlink:label="f_0067_000040" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_458_f8a9f364_5a62_480f_b912_e4b3bf2cb3c4"
          xlink:to="f_0067_000040"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_464_325f07f8_1587_4321_8e2b_4cf49bc43e53"
          xlink:label="h_464_325f07f8_1587_4321_8e2b_4cf49bc43e53"
          xlink:type="locator"/>
        <link:footnote id="f_0067_000041" xlink:label="f_0067_000041" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes unrealized appreciation (depreciation) on swap contracts.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_464_325f07f8_1587_4321_8e2b_4cf49bc43e53"
          xlink:to="f_0067_000041"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_466_c44cda7f_ee4c_498c_86c2_3114270810df"
          xlink:label="h_466_c44cda7f_ee4c_498c_86c2_3114270810df"
          xlink:type="locator"/>
        <link:footnote id="f_0069_000042" xlink:label="f_0069_000042" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">The Fund commenced investment operations on June 23, 2026. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.</xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_466_c44cda7f_ee4c_498c_86c2_3114270810df"
          xlink:to="f_0069_000042"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_467_fa9549ee_9cdf_4414_824c_5a9274ee7269"
          xlink:label="h_467_fa9549ee_9cdf_4414_824c_5a9274ee7269"
          xlink:type="locator"/>
        <link:footnote id="f_0069_000043" xlink:label="f_0069_000043" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_467_fa9549ee_9cdf_4414_824c_5a9274ee7269"
          xlink:to="f_0069_000043"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_47_1841ade3_67c5_4826_95c7_32353fabe2b5"
          xlink:label="h_47_1841ade3_67c5_4826_95c7_32353fabe2b5"
          xlink:type="locator"/>
        <link:footnote id="f_0007_000001" xlink:label="f_0007_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized. </link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_47_1841ade3_67c5_4826_95c7_32353fabe2b5"
          xlink:to="f_0007_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_473_0ca88578_19d7_4b3c_92f2_f520754a0759"
          xlink:label="h_473_0ca88578_19d7_4b3c_92f2_f520754a0759"
          xlink:type="locator"/>
        <link:footnote id="f_0069_000044" xlink:label="f_0069_000044" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Includes unrealized appreciation (depreciation) on swap contracts.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_473_0ca88578_19d7_4b3c_92f2_f520754a0759"
          xlink:to="f_0069_000044"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_62_06617367_81b7_466c_8207_a82351a08328"
          xlink:label="h_62_06617367_81b7_466c_8207_a82351a08328"
          xlink:type="locator"/>
        <link:footnote id="f_0009_000006" xlink:label="f_0009_000006" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_62_06617367_81b7_466c_8207_a82351a08328"
          xlink:to="f_0009_000006"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_77_5bdce6a1_7ca2_42ef_a0ec_91fb28d52820"
          xlink:label="h_77_5bdce6a1_7ca2_42ef_a0ec_91fb28d52820"
          xlink:type="locator"/>
        <link:footnote id="f_0011_000007" xlink:label="f_0011_000007" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_77_5bdce6a1_7ca2_42ef_a0ec_91fb28d52820"
          xlink:to="f_0011_000007"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_92_62352be9_8e2e_49c2_b129_0756a8014f22"
          xlink:label="h_92_62352be9_8e2e_49c2_b129_0756a8014f22"
          xlink:type="locator"/>
        <link:footnote id="f_0013_000008" xlink:label="f_0013_000008" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US"><xhtml:div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font-weight:normal;color:rgb(0, 0, 0);font-family:'times new roman';font-size:7.5pt;">Annualized. </xhtml:div></link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_92_62352be9_8e2e_49c2_b129_0756a8014f22"
          xlink:to="f_0013_000008"
          xlink:type="arc"/>
    </link:footnoteLink>
</xbrl>
