<?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-20260519.xsd" xlink:type="simple"/>
    <context id="duration_2026-05-19_to_2026-05-19">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001682745</identifier>
        </entity>
        <period>
            <startDate>2026-05-19</startDate>
            <endDate>2026-05-19</endDate>
        </period>
    </context>
    <dei:EntityRegistrantName
      contextRef="duration_2026-05-19_to_2026-05-19"
      id="Hidden_dei_EntityRegistrantName">VERRA MOBILITY Corp</dei:EntityRegistrantName>
    <dei:SecurityExchangeName
      contextRef="duration_2026-05-19_to_2026-05-19"
      id="Hidden_dei_SecurityExchangeName">NASDAQ</dei:SecurityExchangeName>
    <dei:AmendmentFlag contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-274">true</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="duration_2026-05-19_to_2026-05-19"
      id="Hidden_dei_EntityCentralIndexKey">0001682745</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-285">8-K/A</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-286">2026-05-19</dei:DocumentPeriodEndDate>
    <dei:EntityIncorporationStateCountryCode contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-287">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-288">1-37979</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-289">81-3563824</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-290">2046 Riverview Auto Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-291">Suite 300</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-292">Mesa</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-293">AZ</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-294">85201</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-295">(480)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-296">443-7000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-297">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-298">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-299">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-300">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-301">Class&#160;A common stock, par value $0.0001 per share</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-302">VRRM</dei:TradingSymbol>
    <dei:EntityEmergingGrowthCompany contextRef="duration_2026-05-19_to_2026-05-19" id="ixv-303">false</dei:EntityEmergingGrowthCompany>
    <dei:AmendmentDescription contextRef="duration_2026-05-19_to_2026-05-19" 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 May&#160;20, 2026 (the &#x201c;Original Form 8-K&#x201d;). The Original Form 8-K reported the final voting results of the Company&#x2019;s 2026 annual meeting of stockholders held on May&#160;19, 2026 (the &#x201c;Annual Meeting&#x201d;). The sole purpose of this Amendment is to disclose, in accordance with Item 5.07(d) of Form 8-K, the Company&#x2019;s decision regarding whether future non-binding advisory votes on the compensation of the Company&#x2019;s named executive officers (&#x201c;Say-on-Pay Votes&#x201d;) should be held every one year, two years or three years (the &#x201c;Say-on-Frequency Votes&#x201d;). Except as set forth herein, no other changes have been made to the Original Form 8-K.</dei:AmendmentDescription>
</xbrl>
