<?xml version="1.0" encoding="utf-8"?>
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  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
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      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
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    <context id="c_offering_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001840856</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
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        <period>
            <startDate>2026-09-03</startDate>
            <endDate>2026-09-03</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001840856</identifier>
        </entity>
        <period>
            <startDate>2026-09-03</startDate>
            <endDate>2026-09-03</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">S-4MEF</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001840856</dei:EntityCentralIndexKey>
    <ffd:RegnFileNb contextRef="c_report" id="fee_004">333-296284</ffd:RegnFileNb>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_005" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_006">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c_report" id="fee_007">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_008">S-4</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_009">SoundHound AI, Inc.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_010">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_011">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_012">Common Stock, par value $0.0001</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c_offering_1" id="fee_013">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="c_offering_1"
      decimals="0"
      id="fee_014"
      unitRef="shares">726888</ffd:AmtSctiesRegd>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_015"
      unitRef="USD">2006210.88</ffd:MaxAggtOfferingPric>
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      contextRef="c_offering_1"
      decimals="INF"
      id="fee_016"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_017"
      unitRef="USD">277.06</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_018"
      unitRef="USD">2006210.88</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_019"
      unitRef="USD">277.06</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_020"
      unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="fee_021"
      unitRef="USD">277.06</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="fee_022">Calculated pursuant to Rules 457(c) and 457(f)(1) promulgated under the Securities Act of 1933, as amended, and solely for the purpose of calculating the registration fee the proposed maximum aggregate offering price of $2,006,210.88 of the securities being registered was calculated based on the product of (a) $2.76, the average of the high and low prices per share of Common Stock, par value $0.001 per share (&#x201c;LivePerson common stock&#x201d;), of LivePerson, Inc. (&#x201c;LivePerson&#x201d;) on the New York Stock Exchange on August 28, 2026, multiplied by (b) 726,888, the estimated maximum number of shares of LivePerson common stock to be exchanged for shares of Class A common stock, par value $0.0001 per share, of SoundHound AI, Inc. (&#x201c;SoundHound&#x201d;) upon completion of the transactions contemplated by the Amended and Restated Agreement and Plan of Merger, dated as of July 2, 2026, by and among SoundHound, LivePerson, Lightspeed Merger Sub, Inc., an indirect wholly owned subsidiary of SoundHound, and Lightspeed Merger Sub II Inc., an indirect, wholly owned subsidiary of SoundHound.</ffd:OfferingNote>
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