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<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025q4"
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  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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      xlink:href="https://xbrl.sec.gov/ffd/2025q4/ffd-2025q4.xsd"
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    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001824502</identifier>
        </entity>
        <period>
            <startDate>2026-03-05</startDate>
            <endDate>2026-03-05</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001824502</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
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        </entity>
        <period>
            <startDate>2026-03-05</startDate>
            <endDate>2026-03-05</endDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-344">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-345">424B5</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-346">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-347">333-284812</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-348">0001824502</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-349">Archer Aviation Inc.</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="rc" id="hiddenrcOffsetTableNa">N/A</ffd:OffsetTableNa>
    <ffd:CombinedProspectusTableNa contextRef="rc" id="hiddenrcCombinedProspectusTableNa">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="rc" id="ixv-377">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-378">Archer Aviation Inc.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-379">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-380">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-381">Class A Common Stock, par value $0.0001 per share</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_1" id="ixv-382">true</ffd:FeesOthrRuleFlg>
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      contextRef="offrl_1"
      decimals="2"
      id="ixv-383"
      unitRef="USD">8000000.00</ffd:MaxAggtOfferingPric>
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      contextRef="offrl_1"
      decimals="7"
      id="ixv-384"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_1"
      decimals="2"
      id="ixv-385"
      unitRef="USD">1104.80</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-386" unitRef="USD">8000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-387" unitRef="USD">1104.80</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-388" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-389" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-390" unitRef="USD">1104.80</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-391">The registration fee is calculated in accordance with Rule 457(o) under the Securities Act of 1933, as amended (the "Securities Act"), based on the proposed maximum aggregate offering price. Payment of the registration fee at the time of filing of the registrant's Registration Statement on Form S-3ASR (File No. 333-284812) on February 11, 2025 (the "Registration Statement") was deferred pursuant to Rules 456(b) and 457(r) under the Securities Act and is paid herewith. This "Calculation of Filing Fee" table shall be deemed to update the table in Item 14 of the Registration Statement.

There is being registered hereunder an indeterminate number of shares of common stock, as may be issued and sold from time to time by the Registrant. In no event will the aggregate offering price of the common stock issued by the Registrant pursuant to this prospectus supplement exceed $8,000,000.00. Pursuant to Rule 416(a), this prospectus supplement also covers any additional securities that may be offered or issued in connection with any stock split, stock dividend or similar transaction.</ffd:OfferingNote>
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    <ffd:FnlPrspctsFlg contextRef="rc" id="ixv-393">true</ffd:FnlPrspctsFlg>
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