<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c-1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001434647</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
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        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <context id="c-2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001434647</identifier>
        </entity>
        <period>
            <startDate>2025-01-01</startDate>
            <endDate>2025-12-31</endDate>
        </period>
    </context>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <unit id="usdPerShare">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
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        </divide>
    </unit>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="number">
        <measure>pure</measure>
    </unit>
    <dei:EntityCentralIndexKey contextRef="c-2" id="f-15">0001434647</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="c-2" id="f-16">Zevra Therapeutics, Inc.</dei:EntityRegistrantName>
    <ffd:FormTp contextRef="c-2" id="f-17">S-8</ffd:FormTp>
    <ffd:SubmissnTp contextRef="c-2" id="f-18">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c-2" id="f-19">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c-2" id="f-20">N/A</ffd:OffsetTableNa>
    <ffd:PrevslyPdFlg contextRef="c-1" id="f-1">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c-1" id="f-2">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c-1" id="f-3">Common Stock, par value $0.0001 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="c-1" id="f-4">true</ffd:Rule457aFlg>
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      contextRef="c-1"
      decimals="2"
      id="f-6"
      unitRef="usdPerShare">8.71</ffd:MaxOfferingPricPerScty>
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    <ffd:TtlOffsetAmt contextRef="c-2" decimals="0" id="f-12" unitRef="usd">0</ffd:TtlOffsetAmt>
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    <ffd:AmtSctiesRegd contextRef="c-1" decimals="0" id="f-14" unitRef="shares">2274191</ffd:AmtSctiesRegd>
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