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        <entity>
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    <context id="offrl_1">
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            <identifier scheme="http://www.sec.gov/CIK">0001935979</identifier>
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            <startDate>2026-05-01</startDate>
            <endDate>2026-05-01</endDate>
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    <context id="offrl_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001935979</identifier>
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            <startDate>2026-05-01</startDate>
            <endDate>2026-05-01</endDate>
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    <context id="offrl_4">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001935979</identifier>
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            <startDate>2026-05-01</startDate>
            <endDate>2026-05-01</endDate>
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            <startDate>2026-05-01</startDate>
            <endDate>2026-05-01</endDate>
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            <startDate>2026-05-01</startDate>
            <endDate>2026-05-01</endDate>
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    <context id="offrl_7">
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            <identifier scheme="http://www.sec.gov/CIK">0001935979</identifier>
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        <period>
            <startDate>2026-05-01</startDate>
            <endDate>2026-05-01</endDate>
        </period>
    </context>
    <context id="offrl_8">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001935979</identifier>
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        <period>
            <startDate>2026-05-01</startDate>
            <endDate>2026-05-01</endDate>
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    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:FormTp contextRef="rc" id="ixv-489">S-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-490">S-3ASR</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-491">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-492">0001935979</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-493">Biohaven Ltd.</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-584">S-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-585">Biohaven Ltd.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-586">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-587">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-588">Common Shares, no par value per share</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_1" id="ixv-589">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_1"
      decimals="7"
      id="ixv-590"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-591">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-592">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-593">Preferred Shares, no par value per share</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_2" id="ixv-594">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_2"
      decimals="7"
      id="ixv-595"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_3" id="ixv-596">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-597">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-598">Depositary Shares</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_3" id="ixv-599">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_3"
      decimals="7"
      id="ixv-600"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_4" id="ixv-601">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-602">Debt</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-603">Debt Securities</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_4" id="ixv-604">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_4"
      decimals="7"
      id="ixv-605"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_5" id="ixv-606">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-607">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-608">Warrants</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_5" id="ixv-609">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_5"
      decimals="7"
      id="ixv-610"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_6" id="ixv-611">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-612">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_6" id="ixv-613">Rights</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_6" id="ixv-614">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_6"
      decimals="7"
      id="ixv-615"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_7" id="ixv-616">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_7" id="ixv-617">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_7" id="ixv-618">Purchase Contracts</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_7" id="ixv-619">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_7"
      decimals="7"
      id="ixv-620"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:PrevslyPdFlg contextRef="offrl_8" id="ixv-621">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_8" id="ixv-622">Other</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_8" id="ixv-623">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457rFlg contextRef="offrl_8" id="ixv-624">true</ffd:Rule457rFlg>
    <ffd:FeeRate
      contextRef="offrl_8"
      decimals="7"
      id="ixv-625"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-626" unitRef="USD">0.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-627" unitRef="USD">0.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-628" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-629" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-630" unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-631">(Note 1a) In accordance with Rule 456(b) and Rule 457(r), the Registrant is deferring payment of all of the registration fees and will pay any applicable registration fees on a "pay as you go" basis. The Registrant will calculate the registration fee applicable to an offer of securities hereunder based on the fee payment rate in effect on the date of such fee payment.
(Note 1b) There is being registered hereunder such indeterminate number or amount of common shares, preferred shares, depositary shares, debt securities, warrants, rights, purchase contracts and units of the Registrant as may from time to time be issued at indeterminate prices and as may be issued upon conversion, redemption, exchange, exercise or settlement of any securities registered hereunder, including under any applicable antidilution provisions.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-632">See (Note 1a)
See (Note 1b)</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-633">See (Note 1a)
See (Note 1b)</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-634">See (Note 1a)
See (Note 1b)</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_5" id="ixv-635">See (Note 1a)
See (Note 1b)</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_6" id="ixv-636">See (Note 1a)
See (Note 1b)</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_7" id="ixv-637">See (Note 1a)
See (Note 1b)</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_8" id="ixv-638">See (Note 1a)
See (Note 1b)</ffd:OfferingNote>
</xbrl>
