<?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">0001905920</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-31</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c_offering_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001905920</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-31</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c_offering_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001905920</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>3</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-31</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c_offering_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001905920</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>4</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-31</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c_offering_5">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001905920</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>5</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-31</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c_offering_6">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001905920</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>6</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-03-31</startDate>
            <endDate>2026-03-31</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001905920</identifier>
        </entity>
        <period>
            <startDate>2026-03-31</startDate>
            <endDate>2026-03-31</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">F-3</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001905920</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">F-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_008">Galaxy Payroll Group Ltd</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">Class A ordinary shares, par value US$0.00625 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_1" id="fee_012">true</ffd:Rule457oFlg>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_013"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_2" id="fee_014">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_2" id="fee_015">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_2" id="fee_016">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_2" id="fee_017">true</ffd:Rule457oFlg>
    <ffd:FeeRate
      contextRef="c_offering_2"
      decimals="INF"
      id="fee_018"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_3" id="fee_019">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_3" id="fee_020">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_3" id="fee_021">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_3" id="fee_022">true</ffd:Rule457oFlg>
    <ffd:FeeRate
      contextRef="c_offering_3"
      decimals="INF"
      id="fee_023"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_4" id="fee_024">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_4" id="fee_025">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_4" id="fee_026">Rights</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_4" id="fee_027">true</ffd:Rule457oFlg>
    <ffd:FeeRate
      contextRef="c_offering_4"
      decimals="INF"
      id="fee_028"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_5" id="fee_029">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_5" id="fee_030">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_5" id="fee_031">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_5" id="fee_032">true</ffd:Rule457oFlg>
    <ffd:FeeRate
      contextRef="c_offering_5"
      decimals="INF"
      id="fee_033"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="c_offering_6" id="fee_034">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_6" id="fee_035">Unallocated (Universal) Shelf</ffd:OfferingSctyTp>
    <ffd:Rule457oFlg contextRef="c_offering_6" id="fee_036">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_6"
      decimals="INF"
      id="fee_037"
      unitRef="USD">200000000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_6"
      decimals="INF"
      id="fee_038"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_6"
      decimals="INF"
      id="fee_039"
      unitRef="USD">27620.00</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_040"
      unitRef="USD">200000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_041"
      unitRef="USD">27620.00</ffd:TtlFeeAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_042"
      unitRef="USD">27620.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_043">Omitted pursuant to Section 2. A. iii. b under Instructions to the Calculation of Filing Fee Tables and Related Disclosure of Item 9(b) of Form F-3. The amount to be registered consists of up to $200,000,000 of an indeterminate amount of (i) Class A Ordinary Shares, (ii) debt securities, (iii) warrants, (iv) rights to purchase Class A Ordinary Shares, debt securities, shares, debt securities, warrants or rights offered under this prospectus, or any combination thereof, that may be offered from time to time in one or more offerings.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_2" id="fee_044">Omitted pursuant to Section 2. A. iii. b under Instructions to the Calculation of Filing Fee Tables and Related Disclosure of Item 9(b) of Form F-3. The amount to be registered consists of up to $200,000,000 of an indeterminate amount of (i) Class A Ordinary Shares, (ii) debt securities, (iii) warrants, (iv) rights to purchase Class A Ordinary Shares, debt securities, shares, debt securities, warrants or rights offered under this prospectus, or any combination thereof, that may be offered from time to time in one or more offerings.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_3" id="fee_045">Omitted pursuant to Section 2. A. iii. b under Instructions to the Calculation of Filing Fee Tables and Related Disclosure of Item 9(b) of Form F-3. The amount to be registered consists of up to $200,000,000 of an indeterminate amount of (i) Class A Ordinary Shares, (ii) debt securities, (iii) warrants, (iv) rights to purchase Class A Ordinary Shares, debt securities, shares, debt securities, warrants or rights offered under this prospectus, or any combination thereof, that may be offered from time to time in one or more offerings.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_4" id="fee_046">Omitted pursuant to Section 2. A. iii. b under Instructions to the Calculation of Filing Fee Tables and Related Disclosure of Item 9(b) of Form F-3. The amount to be registered consists of up to $200,000,000 of an indeterminate amount of (i) Class A Ordinary Shares, (ii) debt securities, (iii) warrants, (iv) rights to purchase Class A Ordinary Shares, debt securities, shares, debt securities, warrants or rights offered under this prospectus, or any combination thereof, that may be offered from time to time in one or more offerings.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_5" id="fee_047">Omitted pursuant to Section 2. A. iii. b under Instructions to the Calculation of Filing Fee Tables and Related Disclosure of Item 9(b) of Form F-3. The amount to be registered consists of up to $200,000,000 of an indeterminate amount of (i) Class A Ordinary Shares, (ii) debt securities, (iii) warrants, (iv) rights to purchase Class A Ordinary Shares, debt securities, shares, debt securities, warrants or rights offered under this prospectus, or any combination thereof, that may be offered from time to time in one or more offerings.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="c_offering_6" id="fee_048">Omitted pursuant to Section 2. A. iii. b under Instructions to the Calculation of Filing Fee Tables and Related Disclosure of Item 9(b) of Form F-3. The amount to be registered consists of up to $200,000,000 of an indeterminate amount of (i) Class A Ordinary Shares, (ii) debt securities, (iii) warrants, (iv) rights to purchase Class A Ordinary Shares, debt securities, shares, debt securities, warrants or rights offered under this prospectus, or any combination thereof, that may be offered from time to time in one or more offerings.&lt;br/&gt;&lt;br/&gt;Pursuant to Rule 457(o) under the Securities Act, the registration fee is calculated based on the maximum aggregate offering price.</ffd:OfferingNote>
</xbrl>
