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            <identifier scheme="http://www.sec.gov/CIK">0002094710</identifier>
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        <period>
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            <endDate>2026-08-13</endDate>
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            <endDate>2026-08-13</endDate>
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            <startDate>2026-08-13</startDate>
            <endDate>2026-08-13</endDate>
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    <context id="offrl_3">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0002094710</identifier>
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            <startDate>2026-08-13</startDate>
            <endDate>2026-08-13</endDate>
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            <identifier scheme="http://www.sec.gov/CIK">0002094710</identifier>
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        <period>
            <startDate>2026-08-13</startDate>
            <endDate>2026-08-13</endDate>
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            <startDate>2026-08-13</startDate>
            <endDate>2026-08-13</endDate>
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            <identifier scheme="http://www.sec.gov/CIK">0002094710</identifier>
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        <period>
            <startDate>2026-08-13</startDate>
            <endDate>2026-08-13</endDate>
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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-461">S-1</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-462">S-1/A</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-463">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-464">333-291339</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-465">0002094710</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-466">ARC Group Securities Acquisition II</dei:EntityRegistrantName>
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    <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-539">S-1</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-540">ARC Group Securities Acquisition II</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-541">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_1" id="ixv-542">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-543">Units</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="offrl_1" id="ixv-544">true</ffd:Rule457aFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_1"
      decimals="0"
      id="ixv-545"
      unitRef="Shares">11500000</ffd:AmtSctiesRegd>
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      contextRef="offrl_1"
      decimals="2"
      id="ixv-546"
      unitRef="USD">10.00</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_1"
      decimals="2"
      id="ixv-547"
      unitRef="USD">115000000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeAmt
      contextRef="offrl_1"
      decimals="2"
      id="ixv-548"
      unitRef="USD">15881.50</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_2" id="ixv-549">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_2" id="ixv-550">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_2" id="ixv-551">Class A ordinary shares included as part of the units</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="offrl_2" id="ixv-552">true</ffd:Rule457aFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_2"
      decimals="0"
      id="ixv-553"
      unitRef="Shares">11500000</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="offrl_2"
      decimals="2"
      id="ixv-554"
      unitRef="USD">0.00</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_2"
      decimals="2"
      id="ixv-555"
      unitRef="USD">0.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeAmt
      contextRef="offrl_2"
      decimals="2"
      id="ixv-556"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_3" id="ixv-557">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_3" id="ixv-558">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_3" id="ixv-559">Redeemable warrants to acquire one Class A ordinary share included as part of the units</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="offrl_3" id="ixv-560">true</ffd:Rule457aFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_3"
      decimals="0"
      id="ixv-561"
      unitRef="Shares">11500000</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="offrl_3"
      decimals="2"
      id="ixv-562"
      unitRef="USD">0.00</ffd:MaxOfferingPricPerScty>
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      contextRef="offrl_3"
      decimals="2"
      id="ixv-563"
      unitRef="USD">0.00</ffd:MaxAggtOfferingPric>
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      contextRef="offrl_3"
      decimals="2"
      id="ixv-564"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_4" id="ixv-565">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_4" id="ixv-566">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_4" id="ixv-567">Class A ordinary shares underlying redeemable warrants included as part of the units</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="offrl_4" id="ixv-568">true</ffd:Rule457aFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_4"
      decimals="0"
      id="ixv-569"
      unitRef="Shares">11500000</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="offrl_4"
      decimals="2"
      id="ixv-570"
      unitRef="USD">11.50</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_4"
      decimals="2"
      id="ixv-571"
      unitRef="USD">132250000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeAmt
      contextRef="offrl_4"
      decimals="2"
      id="ixv-572"
      unitRef="USD">18263.72</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_5" id="ixv-573">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_5" id="ixv-574">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_5" id="ixv-575">Rights to receive one-quarter (1) of a Class A ordinary share upon the consummation of an initial business combination included as part of the units</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="offrl_5" id="ixv-576">true</ffd:Rule457aFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_5"
      decimals="0"
      id="ixv-577"
      unitRef="Shares">11500000</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="offrl_5"
      decimals="2"
      id="ixv-578"
      unitRef="USD">0.00</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_5"
      decimals="2"
      id="ixv-579"
      unitRef="USD">0.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeAmt
      contextRef="offrl_5"
      decimals="2"
      id="ixv-580"
      unitRef="USD">0.00</ffd:FeeAmt>
    <ffd:PrevslyPdFlg contextRef="offrl_6" id="ixv-581">true</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="offrl_6" id="ixv-582">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="offrl_6" id="ixv-583">Class A ordinary shares issuable upon the exercise of the rights included as part of the units</ffd:OfferingSctyTitl>
    <ffd:Rule457aFlg contextRef="offrl_6" id="ixv-584">true</ffd:Rule457aFlg>
    <ffd:AmtSctiesRegd
      contextRef="offrl_6"
      decimals="0"
      id="ixv-585"
      unitRef="Shares">2875000</ffd:AmtSctiesRegd>
    <ffd:MaxOfferingPricPerScty
      contextRef="offrl_6"
      decimals="2"
      id="ixv-586"
      unitRef="USD">10.00</ffd:MaxOfferingPricPerScty>
    <ffd:MaxAggtOfferingPric
      contextRef="offrl_6"
      decimals="2"
      id="ixv-587"
      unitRef="USD">28750000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeAmt
      contextRef="offrl_6"
      decimals="2"
      id="ixv-588"
      unitRef="USD">3970.37</ffd:FeeAmt>
    <ffd:TtlOfferingAmt contextRef="rc" decimals="2" id="ixv-589" unitRef="USD">276000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-590" unitRef="USD">38115.59</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="2" id="ixv-591" unitRef="USD">38115.59</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-592" unitRef="USD">0.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="2" id="ixv-593" unitRef="USD">0.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-594">Estimated solely for the purpose of computing the registration fee pursuant to Rule 457(a) of the Securities Act.

This amount includes 1,500,000 units, consisting of 1,500,000 Class A ordinary shares, 1,500,000 redeemable warrants and 1,500,000 rights, which may be issued upon exercise of a 45-day option granted to the underwriters to cover over-allotments, if any.

An additional indeterminate amount of securities are being registered hereby to be offered solely for certain market making transactions, by affiliates of the Registrant. Pursuant to Rule 457(q) under the Securities Act, no additional filing fee is required.

The registrant previously registered and paid for 11,500,000 units (including 1,500,000 units subject to the underwriter's over-allotment option) with each unit consisting of one Class A ordinary share, one redeemable public warrant to purchase one Class A ordinary share and one right to receive one-quarter (1/4) Class A ordinary share upon the consummation of an initial business combination.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_2" id="ixv-595">Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(a) under the Securities Act. Pursuant to Rule 416, there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from share splits, share capitalizations or similar transactions. No fee pursuant to Rule 457(g).

An additional indeterminate amount of securities are being registered hereby to be offered solely for certain market making transactions, by affiliates of the Registrant. Pursuant to Rule 457(q) under the Securities Act, no additional filing fee is required.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_3" id="ixv-596">Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(a) under the Securities Act. Pursuant to Rule 416, there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from share splits, share capitalizations or similar transactions. No fee pursuant to Rule 457(g).

An additional indeterminate amount of securities are being registered hereby to be offered solely for certain market making transactions, by affiliates of the Registrant. Pursuant to Rule 457(q) under the Securities Act, no additional filing fee is required.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_4" id="ixv-597">Estimated solely for the purpose of computing the registration fee pursuant to Rule 457(a) of the Securities Act. Pursuant to Rule 416, there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from share splits, share capitalizations or similar transactions.

An additional indeterminate amount of securities are being registered hereby to be offered solely for certain market making transactions, by affiliates of the Registrant. Pursuant to Rule 457(q) under the Securities Act, no additional filing fee is required.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_5" id="ixv-598">Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(a) under the Securities Act. Pursuant to Rule 416, there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from share splits, share capitalizations or similar transactions. No fee pursuant to Rule 457(g).

An additional indeterminate amount of securities are being registered hereby to be offered solely for certain market making transactions, by affiliates of the Registrant. Pursuant to Rule 457(q) under the Securities Act, no additional filing fee is required.</ffd:OfferingNote>
    <ffd:OfferingNote contextRef="offrl_6" id="ixv-599">Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(a) under the Securities Act. Pursuant to Rule 416, there are also being registered an indeterminable number of additional securities as may be issued to prevent dilution resulting from share splits, share capitalizations or similar transactions.

An additional indeterminate amount of securities are being registered hereby to be offered solely for certain market making transactions, by affiliates of the Registrant. Pursuant to Rule 457(q) under the Securities Act, no additional filing fee is required.</ffd:OfferingNote>
</xbrl>
