<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  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/2026/ffd-2026.xsd"
      xlink:type="simple"/>
    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001830974</identifier>
        </entity>
        <period>
            <startDate>2026-07-27</startDate>
            <endDate>2026-07-27</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001830974</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>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-330">N-2</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-331">N-2</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-332">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-333">0001830974</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-334">Aspiriant Capital Appreciation Fund</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="rc" id="hiddenrcCombinedProspectusTableNa">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="rc" id="ixv-362">N-2</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-363">Aspiriant Capital Appreciation Fund</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-364">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-365">Common Shares</ffd:OfferingSctyTitl>
    <ffd:Rule415a6Flg contextRef="offrl_1" id="ixv-366">true</ffd:Rule415a6Flg>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_1"
      decimals="2"
      id="ixv-367"
      unitRef="USD">55906041.00</ffd:MaxAggtOfferingPric>
    <ffd:CfwdFormTp contextRef="offrl_1" id="ixv-368">N-2</ffd:CfwdFormTp>
    <ffd:CfwdPrrFileNb contextRef="offrl_1" id="ixv-369">333-273523</ffd:CfwdPrrFileNb>
    <ffd:CfwdPrrFctvDt contextRef="offrl_1" id="ixv-370">2023-08-01</ffd:CfwdPrrFctvDt>
    <ffd:CfwdPrevslyPdFee
      contextRef="offrl_1"
      decimals="2"
      id="ixv-371"
      unitRef="USD">6161.00</ffd:CfwdPrevslyPdFee>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-372" unitRef="USD">55906041.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-373" unitRef="USD">0.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-374" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-375" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-376" unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-377">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 estimated amount of $55,906,041 that the Registrant previously registered on its Registration Statement on Form N-2 (File Nos. 333-273523 and 811-23619), initially effective on August 1, 2023 (the "Prior Registration Statement"). Pursuant to Rule 415(a)(6), the registration fees in the amount of $6,161 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.

Amount represents $55,906,041 of unsold Shares, as of July 1, 2026.</ffd:OfferingNote>
</xbrl>
