<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c_offering_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001856156</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-27</startDate>
            <endDate>2026-07-27</endDate>
        </period>
    </context>
    <context id="c_offering_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001856156</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-07-27</startDate>
            <endDate>2026-07-27</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001856156</identifier>
        </entity>
        <period>
            <startDate>2026-07-27</startDate>
            <endDate>2026-07-27</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">N-2</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001856156</dei:EntityCentralIndexKey>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_004" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_005">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c_report" id="fee_006">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_007">N-2</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_008">FS MVP Private Markets Fund</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_009">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_010">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_011">Common Shares</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_1" id="fee_012">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_013"
      unitRef="USD">400000000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_014"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_015"
      unitRef="USD">55240.00</ffd:FeeAmt>
    <ffd:OfferingSctyTp contextRef="c_offering_2" id="fee_016">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_2" id="fee_017">Common Shares</ffd:OfferingSctyTitl>
    <ffd:Rule415a6Flg contextRef="c_offering_2" id="fee_018">true</ffd:Rule415a6Flg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_019"
      unitRef="USD">195695044.87</ffd:MaxAggtOfferingPric>
    <ffd:CfwdFormTp contextRef="c_offering_2" id="fee_020">N-2</ffd:CfwdFormTp>
    <ffd:CfwdPrrFileNb contextRef="c_offering_2" id="fee_021">333-289059</ffd:CfwdPrrFileNb>
    <ffd:CfwdPrrFctvDt contextRef="c_offering_2" id="fee_022">2025-07-29</ffd:CfwdPrrFctvDt>
    <ffd:CfwdPrevslyPdFee
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_023"
      unitRef="USD">29960.91</ffd:CfwdPrevslyPdFee>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_024"
      unitRef="USD">595695044.87</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_025"
      unitRef="USD">55240.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_026"
      unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_027"
      unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_028"
      unitRef="USD">55240.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_029">Estimated solely for purposes of calculating the registration fee pursuant to Rule 457(o) under the Securities Act of 1933.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_2" id="fee_030">Pursuant to Rule 415(a)(6) under the Securities Act of 1933, as amended, the Registrant is carrying forward to this Registration Statement unsold securities in the amount of $195,695,044.87 that the Registrant previously registered on its Registration Statement on Form N-2 (File Nos. 333-289059 and 811-23656), initially effective on July 29, 2025 (the &#x201c;Prior Registration Statement&#x201d;). Pursuant to Rule 415(a)(6), the registration fees in the amount of $29,960.91 previously paid with respect to such unsold securities will continue to be applied to such unsold securities. Pursuant to Rule 415(a)(6), the offering of unsold securities under the Prior Registration Statement will be deemed terminated as of the date of effectiveness of this Registration.&lt;br/&gt;&lt;br/&gt;Amount represents $195,695,044.87 of Unsold Shares, as of July 1, 2026, plus newly registered securities of $400,000,000 of common shares of beneficial interest registered hereby.</ffd:OfferingNote>
</xbrl>
