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<xbrl
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001425205</identifier>
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        <period>
            <startDate>2026-06-18</startDate>
            <endDate>2026-06-18</endDate>
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    <context id="offrl_1">
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            <endDate>2026-06-18</endDate>
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    <context id="offrl_2">
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            <startDate>2026-06-18</startDate>
            <endDate>2026-06-18</endDate>
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            <identifier scheme="http://www.sec.gov/CIK">0001425205</identifier>
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            <startDate>2026-06-18</startDate>
            <endDate>2026-06-18</endDate>
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            <identifier scheme="http://www.sec.gov/CIK">0001425205</identifier>
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            <startDate>2026-06-18</startDate>
            <endDate>2026-06-18</endDate>
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            <startDate>2026-06-18</startDate>
            <endDate>2026-06-18</endDate>
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            <startDate>2026-06-18</startDate>
            <endDate>2026-06-18</endDate>
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    <context id="offrl_7">
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            <identifier scheme="http://www.sec.gov/CIK">0001425205</identifier>
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        <period>
            <startDate>2026-06-18</startDate>
            <endDate>2026-06-18</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-468">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-469">S-3ASR</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-470">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-471">0001425205</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-472">IOVANCE BIOTHERAPEUTICS, 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-554">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-555">IOVANCE BIOTHERAPEUTICS, INC.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-556">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-557">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-558">Common Stock, par value $0.000041666 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-559">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="7"
      id="ixv-560"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-561">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-562">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-563">Preferred Stock, par value $0.001 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-564">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="7"
      id="ixv-565"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_3" id="ixv-566">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-567">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-568">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_3" id="ixv-569">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="7"
      id="ixv-570"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_4" id="ixv-571">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-572">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-573">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_4" id="ixv-574">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_4"
      decimals="7"
      id="ixv-575"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_5" id="ixv-576">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-577">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-578">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_5" id="ixv-579">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_5"
      decimals="7"
      id="ixv-580"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_6" id="ixv-581">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-582">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_6" id="ixv-583">Rights to Purchase Common Stock, Preferred Stock, Debt Securities or Units</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_6" id="ixv-584">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_6"
      decimals="7"
      id="ixv-585"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_7" id="ixv-586">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_7" id="ixv-587">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_7" id="ixv-588">Common Stock, par value $0.000041666 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_7" id="ixv-589">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_7"
      decimals="2"
      id="ixv-590"
      unitRef="USD">89650167.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="offrl_7"
      decimals="7"
      id="ixv-591"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="offrl_7"
      decimals="2"
      id="ixv-592"
      unitRef="USD">12380.69</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-593" unitRef="USD">89650167.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-594" unitRef="USD">12380.69</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-595" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-596" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-597" unitRef="USD">12380.69</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-598">An indeterminate amount of the securities of each identified class is being registered as may from time to time be offered hereunder at indeterminate prices, along with an indeterminate number of securities that may be issued upon exercise, settlement, exchange or conversion of securities offered or sold hereunder. Pursuant to Rule 416 under the Securities Act of 1933, as amended (the "Securities Act"), this registration statement also covers any additional securities that may be offered or issued in connection with any stock split, stock dividend or pursuant to anti-dilution provisions of any of the securities. Separate consideration may or may not be received for securities that are issuable upon conversion, exercise or exchange of other securities.

In accordance with Rules 456(b) and 457(r) under the Securities Act, the registrant is deferring payment of all registration fees and will pay the registration fees subsequently in advance or on a "pay-as-you-go" basis.
</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-599">See Note 1</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-600">See Note1</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-601">See Note 1</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_5" id="ixv-602">See Note 1</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_6" id="ixv-603">See Note 1</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_7" id="ixv-604">Pursuant to Rule 457(o) under the Securities Act, the shares being registered hereunder include such indeterminate number of shares of Common Stock as may be issuable with respect to the shares being registered hereunder as a result of stock splits, stock dividends or similar transactions. 

The securities registered hereunder may be sold separately or in a combination with other securities registered hereby.</ffd:OfferingNote>
</xbrl>
