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            <identifier scheme="http://www.sec.gov/CIK">0002098410</identifier>
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            <startDate>2026-05-06</startDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
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    <unit id="Shares">
        <measure>shares</measure>
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    <ffd:FormTp contextRef="rc" id="ixv-407">S-1</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-408">S-1</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-409">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-410">0002098410</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-411">Bluerock Acquisition Corp. II</dei:EntityRegistrantName>
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    <dei:EntityRegistrantName contextRef="rc" id="ixv-467">Bluerock Acquisition Corp. II</dei:EntityRegistrantName>
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    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-470">Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-third of one redeemable warrant</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="offrl_1" id="ixv-471">true</ffd:Rule457oFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_1"
      decimals="0"
      id="ixv-472"
      unitRef="Shares">17250000</ffd:AmtSctiesRegd>
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      contextRef="offrl_1"
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      contextRef="offrl_1"
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      id="ixv-474"
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      contextRef="offrl_1"
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      id="ixv-475"
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      contextRef="offrl_1"
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      id="ixv-476"
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    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-479">Class A ordinary shares included as part of the units</ffd:OfferingSctyTitl>
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    <ffd:AmtSctiesRegd
      contextRef="offrl_2"
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      id="ixv-481"
      unitRef="Shares">17250000</ffd:AmtSctiesRegd>
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      contextRef="offrl_2"
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      contextRef="offrl_2"
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      id="ixv-484"
      unitRef="USD">0.00</ffd:FeeAmt>
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    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-486">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-487">Redeemable warrants included as part of the units</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="offrl_3" id="ixv-488">true</ffd:FeesOthrRuleFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_3"
      decimals="0"
      id="ixv-489"
      unitRef="Shares">5750000</ffd:AmtSctiesRegd>
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      contextRef="offrl_3"
      decimals="2"
      id="ixv-490"
      unitRef="USD">0.00</ffd:MaxAggtOfferingPric>
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      unitRef="pure">0.0001381</ffd:FeeRate>
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      contextRef="offrl_3"
      decimals="2"
      id="ixv-492"
      unitRef="USD">0.00</ffd:FeeAmt>
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    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-494">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-495">Class A ordinary shares underlying the redeemable warrants included as part of the units</ffd:OfferingSctyTitl>
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      contextRef="offrl_4"
      decimals="0"
      id="ixv-497"
      unitRef="Shares">5750000</ffd:AmtSctiesRegd>
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      contextRef="offrl_4"
      decimals="2"
      id="ixv-498"
      unitRef="USD">11.50</ffd:MaxOfferingPricPerScty>
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      contextRef="offrl_4"
      decimals="2"
      id="ixv-499"
      unitRef="USD">66125000.00</ffd:MaxAggtOfferingPric>
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      contextRef="offrl_4"
      decimals="7"
      id="ixv-500"
      unitRef="pure">0.0001381</ffd:FeeRate>
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      contextRef="offrl_4"
      decimals="2"
      id="ixv-501"
      unitRef="USD">9131.86</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-502" unitRef="USD">238625000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-503" unitRef="USD">32954.11</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-504" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-505" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-506" unitRef="USD">32954.11</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-507">Offering Note 1.a. Estimated solely for the purpose of calculating the registration fee.

Offering Note 1.b. Includes 2,250,000 units, consisting of 2,250,000 Class A ordinary shares and 750,000 redeemable warrants, which may be issued upon exercise of a 45-day option granted to the underwriters to cover over-allotments, if any.
</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-508">See Offering Note 1.a.

Offering Note 2.a. Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), there are also being registered an indeterminable number of additional securities as may be offered or issued to prevent dilution resulting from share subdivisions, stock dividends, or similar transactions.

Offering Note 2.b. No fee pursuant to Rule 457(g) under the Securities Act.
</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-509">See Offering Note 2.
</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-510">See Offering Notes 1.a. and 2.a.
</ffd:OfferingNote>
</xbrl>
