<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="vrrm-20260928.xsd" xlink:type="simple"/>
    <context id="duration_2026-09-28_to_2026-09-28">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001682745</identifier>
        </entity>
        <period>
            <startDate>2026-09-28</startDate>
            <endDate>2026-09-28</endDate>
        </period>
    </context>
    <dei:EntityRegistrantName
      contextRef="duration_2026-09-28_to_2026-09-28"
      id="Hidden_dei_EntityRegistrantName">VERRA MOBILITY Corp</dei:EntityRegistrantName>
    <dei:SecurityExchangeName
      contextRef="duration_2026-09-28_to_2026-09-28"
      id="Hidden_dei_SecurityExchangeName">NASDAQ</dei:SecurityExchangeName>
    <dei:AmendmentFlag contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-303">true</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="duration_2026-09-28_to_2026-09-28"
      id="Hidden_dei_EntityCentralIndexKey">0001682745</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-314">8-K/A</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-315">2026-09-28</dei:DocumentPeriodEndDate>
    <dei:EntityIncorporationStateCountryCode contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-316">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-317">1-37979</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-318">81-3563824</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-319">2046 Riverview Auto Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-320">Suite 300</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-321">Mesa</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-322">AZ</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-323">85201</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-324">(480)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-325">443-7000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-326">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-327">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-328">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-329">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-330">Class&#160;A common stock, par value $0.0001 per share</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-331">VRRM</dei:TradingSymbol>
    <dei:EntityEmergingGrowthCompany contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-332">false</dei:EntityEmergingGrowthCompany>
    <dei:AmendmentDescription contextRef="duration_2026-09-28_to_2026-09-28" id="ixv-171">This Amendment No.&#160;1 to Current Report on Form 8-K/A (the &#x201c;Amendment&#x201d;) amends the Current Report on Form 8-K of Verra Mobility Corporation (the &#x201c;Company&#x201d;), as initially filed with the U.S. Securities and Exchange Commission on October&#160;2, 2026 (the &#x201c;Original Form 8-K&#x201d;). The Original Form 8-K reported, among other items, that Jon Keyser would cease serving as Interim President and Chief Executive Officer of the Company. This Amendment amends the Original Form 8-K to supplement the Company&#x2019;s disclosure under Item 5.02 of the Original Form 8-K with respect to the terms of Mr.&#160;Keyser&#x2019;s separation agreement, which terms were not finalized at the time of the Original Form 8-K. Except as set forth herein, no other changes have been made to the Original Form 8-K.</dei:AmendmentDescription>
</xbrl>
