<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:corner="http://corner.com/20241031"
  xmlns:dei="http://xbrl.sec.gov/dei/2024"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2024"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="corner-20241031.xsd" xlink:type="simple"/>
    <context id="From2024-10-31to2024-10-31">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001829953</identifier>
        </entity>
        <period>
            <startDate>2024-10-31</startDate>
            <endDate>2024-10-31</endDate>
        </period>
    </context>
    <context id="From2024-10-31to2024-10-31_corner_ClassAOrdinaryShareOnethirdOfOneRedeemableWarrantMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001829953</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">corner:ClassAOrdinaryShareOnethirdOfOneRedeemableWarrantMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-31</startDate>
            <endDate>2024-10-31</endDate>
        </period>
    </context>
    <context id="From2024-10-31to2024-10-31_corner_ClassAOrdinarySharesUnitsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001829953</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">corner:ClassAOrdinarySharesUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-31</startDate>
            <endDate>2024-10-31</endDate>
        </period>
    </context>
    <context id="From2024-10-31to2024-10-31_corner_OneClassAOrdinarySharesAtExercisePriceMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001829953</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">corner:OneClassAOrdinarySharesAtExercisePriceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-31</startDate>
            <endDate>2024-10-31</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="Shares">
        <measure>shares</measure>
    </unit>
    <unit id="USDPShares">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <dei:EntityCentralIndexKey contextRef="From2024-10-31to2024-10-31" id="ixv-439">0001829953</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag contextRef="From2024-10-31to2024-10-31" id="ixv-440">false</dei:AmendmentFlag>
    <dei:CurrentFiscalYearEndDate contextRef="From2024-10-31to2024-10-31" id="ixv-441">--12-31</dei:CurrentFiscalYearEndDate>
    <dei:DocumentType contextRef="From2024-10-31to2024-10-31" id="ixv-485">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="From2024-10-31to2024-10-31" id="ixv-486">2024-10-31</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="From2024-10-31to2024-10-31" id="ixv-487">CORNER GROWTH ACQUISITION CORP.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="From2024-10-31to2024-10-31" id="ixv-488">E9</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="From2024-10-31to2024-10-31" id="ixv-489">001-39814</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="From2024-10-31to2024-10-31" id="ixv-490">98-1563902</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="From2024-10-31to2024-10-31" id="ixv-491">418 Broadway</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="From2024-10-31to2024-10-31" id="ixv-492">#6183</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="From2024-10-31to2024-10-31" id="ixv-493">Albany</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="From2024-10-31to2024-10-31" id="ixv-494">NY</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="From2024-10-31to2024-10-31" id="ixv-495">12207</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="From2024-10-31to2024-10-31" id="ixv-496">650</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="From2024-10-31to2024-10-31" id="ixv-497">543-8180</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="From2024-10-31to2024-10-31" id="ixv-498">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="From2024-10-31to2024-10-31" id="ixv-499">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="From2024-10-31to2024-10-31" id="ixv-500">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="From2024-10-31to2024-10-31" id="ixv-501">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="From2024-10-31to2024-10-31_corner_ClassAOrdinaryShareOnethirdOfOneRedeemableWarrantMember"
      id="aid_1_0">Units, each consisting of one Class A Ordinary Share, $0.0001 par value, and one-third of one redeemable warrant</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2024-10-31to2024-10-31_corner_ClassAOrdinaryShareOnethirdOfOneRedeemableWarrantMember"
      id="aid_1_1">COOLU</dei:TradingSymbol>
    <dei:Security12bTitle
      contextRef="From2024-10-31to2024-10-31_corner_ClassAOrdinarySharesUnitsMember"
      id="aid_2_0">Class A Ordinary Shares included as part of the units</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2024-10-31to2024-10-31_corner_ClassAOrdinarySharesUnitsMember"
      id="aid_2_1">COOL</dei:TradingSymbol>
    <dei:Security12bTitle
      contextRef="From2024-10-31to2024-10-31_corner_OneClassAOrdinarySharesAtExercisePriceMember"
      id="aid_3_0">Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="From2024-10-31to2024-10-31_corner_OneClassAOrdinarySharesAtExercisePriceMember"
      id="aid_3_1">COOLW</dei:TradingSymbol>
    <dei:EntityEmergingGrowthCompany contextRef="From2024-10-31to2024-10-31" id="ixv-508">true</dei:EntityEmergingGrowthCompany>
    <dei:EntityExTransitionPeriod contextRef="From2024-10-31to2024-10-31" id="ixv-509">false</dei:EntityExTransitionPeriod>
</xbrl>
