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  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2026"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
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      xlink:href="https://xbrl.sec.gov/ffd/2026/ffd-2026.xsd"
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652535</identifier>
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                <xbrldi:typedMember dimension="ffd:OfferingAxis">
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        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
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    <context id="c-2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001652535</identifier>
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        <period>
            <startDate>2026-05-18</startDate>
            <endDate>2026-05-18</endDate>
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    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="number">
        <measure>pure</measure>
    </unit>
    <dei:EntityCentralIndexKey contextRef="c-2" id="f-14">0001652535</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="c-2" id="f-15">Ichor Holdings, Ltd.</dei:EntityRegistrantName>
    <ffd:FormTp contextRef="c-2" id="f-16">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="c-2" id="f-17">424B5</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c-2" id="f-18">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:OffsetTableNa contextRef="c-2" id="f-19">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="c-2" id="f-20">N/A</ffd:CombinedProspectusTableNa>
    <ffd:RegnFileNb contextRef="c-2" id="f-21">333-295995</ffd:RegnFileNb>
    <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">Ordinary Shares, par value $0.0001 per share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c-1" id="f-4">true</ffd:FeesOthrRuleFlg>
    <ffd:MaxAggtOfferingPric contextRef="c-1" decimals="0" id="f-5" unitRef="usd">200000000</ffd:MaxAggtOfferingPric>
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    <ffd:FeeRate contextRef="c-1" decimals="7" id="f-7" unitRef="number">0.00013810</ffd:FeeRate>
    <ffd:TtlFeeAmt contextRef="c-2" decimals="0" id="f-8" unitRef="usd">27620</ffd:TtlFeeAmt>
    <ffd:FeeAmt contextRef="c-1" decimals="0" id="f-9" unitRef="usd">27620</ffd:FeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="c-2" decimals="0" id="f-10" unitRef="usd">0</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="c-2" decimals="0" id="f-11" unitRef="usd">0</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="c-2" decimals="0" id="f-12" unitRef="usd">27620</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c-1" id="f-13">The registration fee is calculated in accordance with Rule 457(o) under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;), based on the proposed maximum aggregate offering price, and Rule 457(r) under the Securities Act. In accordance with Rules 456(b) and 457(r) under the Securities Act, the registrant initially deferred payment of all of the registration fees for the registrant&#x2019;s Registration Statement on Form S-3ASR filed with the Securities and Exchange Commission on May 18, 2026 (Registration No. 333-295995) (the &#x201c;Registration Statement&#x201d;) paid with the filing of this prospectus supplement. This &#x201c;Calculation of Filing Fee Table&#x201d; shall be deemed to update the &#x201c;Filing Fee Table&#x201d; table in the Registration Statement.</ffd:OfferingNote>
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