<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="vdta-20260916.xsd" xlink:type="simple"/>
    <context id="AsOf2026-09-16">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002033264</identifier>
        </entity>
        <period>
            <startDate>2026-09-16</startDate>
            <endDate>2026-09-16</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="AsOf2026-09-16" id="Fact000003">true</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey contextRef="AsOf2026-09-16" id="Fact000004">0002033264</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="AsOf2026-09-16" id="Fact000009">8-K/A</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="AsOf2026-09-16" id="Fact000010">2026-09-16</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="AsOf2026-09-16" id="Fact000011">Vertical Data Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="AsOf2026-09-16" id="Fact000012">NV</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="AsOf2026-09-16" id="Fact000013">000-56812</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="AsOf2026-09-16" id="Fact000014">99-2841705</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="AsOf2026-09-16" id="Fact000015">1980 Festival Plaza Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="AsOf2026-09-16" id="Fact000016">Suite 300</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="AsOf2026-09-16" id="Fact000017">Las Vegas</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="AsOf2026-09-16" id="Fact000018">NV</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="AsOf2026-09-16" id="Fact000019">89135</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="AsOf2026-09-16" id="Fact000020">(888)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="AsOf2026-09-16" id="Fact000021">462-3453</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="AsOf2026-09-16" id="Fact000022">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="AsOf2026-09-16" id="Fact000023">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="AsOf2026-09-16" id="Fact000024">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="AsOf2026-09-16" id="Fact000025">false</dei:PreCommencementIssuerTenderOffer>
    <dei:EntityEmergingGrowthCompany contextRef="AsOf2026-09-16" id="Fact000026">true</dei:EntityEmergingGrowthCompany>
    <dei:EntityExTransitionPeriod contextRef="AsOf2026-09-16" id="Fact000027">false</dei:EntityExTransitionPeriod>
    <dei:AmendmentDescription contextRef="AsOf2026-09-16" id="Fact000028">On
September 23, 2026, Vertical Data Inc. (the &#x201c;Company&#x201d;) filed with the U.S. Securities and Exchange Commission (the &#x201c;SEC&#x201d;)
a Current Report on Form 8-K (the &#x201c;Original Form 8-K&#x201d;), to report the issuance of equity compensation to certain officers
and the directors of the Company and to report the matters submitted to a vote of the holders of the Company&#x2019;s common stock at
the Company&#x2019;s 2026 Annual Meeting of Stockholders, which was held on September 17, 2026 (the &#x201c;Annual Meeting&#x201d;). The
Company is filing this Amendment No. 1 to the Current Report on Form 8-K/A (this &#x201c;Amendment No. 1&#x201d;) to amend the Original
Form 8-K solely to file a copy of the file-stamped Certificate of Amendment (the &#x201c;Certificate of Amendment&#x201d;) to the
Articles of Incorporation of the Company (the &#x201c;Articles of Incorporation&#x201d;) as Exhibit 3.2 to this Amendment No. 1,
which was filed with the Secretary of State of the State of Nevada (the &#x201c;Nevada Secretary of State&#x201d;) on September
24, 2026. The file-stamped Certificate of Amendment filed as Exhibit 3.2 to this Amendment No. 1 was not available when the Company filed
the Original Form 8-K with the SEC. The Company received written confirmation that the file-stamped Certificate of Amendment had been
filed with the Nevada Secretary of State on September 24, 2026 and was deemed effective on such date.</dei:AmendmentDescription>
</xbrl>
