<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:ffd="http://xbrl.sec.gov/ffd/2025"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef
      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
      xlink:type="simple"/>
    <context id="c_offering_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001899123</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OfferingAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-08</startDate>
            <endDate>2026-08-08</endDate>
        </period>
    </context>
    <context id="c_offset_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001899123</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OffsetAxis">
                    <dei:lineNo>1</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-08</startDate>
            <endDate>2026-08-08</endDate>
        </period>
    </context>
    <context id="c_offset_2">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001899123</identifier>
            <segment>
                <xbrldi:typedMember dimension="ffd:OffsetAxis">
                    <dei:lineNo>2</dei:lineNo>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <startDate>2026-08-08</startDate>
            <endDate>2026-08-08</endDate>
        </period>
    </context>
    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001899123</identifier>
        </entity>
        <period>
            <startDate>2026-08-08</startDate>
            <endDate>2026-08-08</endDate>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <ffd:SubmissnTp contextRef="c_report" id="fee_001">424B5</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001899123</dei:EntityCentralIndexKey>
    <ffd:RegnFileNb contextRef="c_report" id="fee_004">333-298172</ffd:RegnFileNb>
    <ffd:OffsetClmdInd contextRef="c_offset_1" id="fee_005">true</ffd:OffsetClmdInd>
    <ffd:OffsetClmdInd contextRef="c_offset_2" id="fee_006">false</ffd:OffsetClmdInd>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_007" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_008" xsi:nil="true"/>
    <ffd:CombinedProspectusTableNa contextRef="c_report" id="fee_009">N/A</ffd:CombinedProspectusTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_010">F-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_011">BITDEER TECHNOLOGIES GROUP</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_012">false</ffd:PrevslyPdFlg>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_013">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_014">Ordinary shares, par value US$0.0000001 per share</ffd:OfferingSctyTitl>
    <ffd:Rule457oFlg contextRef="c_offering_1" id="fee_015">true</ffd:Rule457oFlg>
    <ffd:MaxAggtOfferingPric
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_016"
      unitRef="USD">1000000000.00</ffd:MaxAggtOfferingPric>
    <ffd:FeeRate
      contextRef="c_offering_1"
      decimals="INF"
      id="fee_017"
      unitRef="pure">0.0001381</ffd:FeeRate>
    <ffd:FeeAmt
      contextRef="c_offering_1"
      decimals="INF"
      id="ixv-434"
      unitRef="USD">138100.00</ffd:FeeAmt>
    <ffd:TtlOfferingAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-435"
      unitRef="USD">1000000000.00</ffd:TtlOfferingAmt>
    <ffd:TtlFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-436"
      unitRef="USD">138100.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-437"
      unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-438"
      unitRef="USD">8495.25</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt
      contextRef="c_report"
      decimals="INF"
      id="ixv-439"
      unitRef="USD">129604.75</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="c_offering_1" id="ixv-440">The registration fee is calculated in accordance with Rule 457(o) under the Securities Act, based on the proposed maximum aggregate offering price.</ffd:OfferingNote>
    <ffd:Rule457pOffsetFlg contextRef="c_offset_1" id="fee_018">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFilerNm contextRef="c_offset_1" id="ixv-442">BITDEER TECHNOLOGIES GROUP</ffd:OffsetPrrFilerNm>
    <ffd:OffsetPrrFormTp contextRef="c_offset_1" id="ixv-443">F-3</ffd:OffsetPrrFormTp>
    <ffd:OffsetPrrFileNb contextRef="c_offset_1" id="ixv-444">333-283732</ffd:OffsetPrrFileNb>
    <ffd:OffsetClmInitlFilgDt contextRef="c_offset_1" id="ixv-445">2024-12-11</ffd:OffsetClmInitlFilgDt>
    <ffd:OffsetClmdAmt
      contextRef="c_offset_1"
      decimals="INF"
      id="ixv-446"
      unitRef="USD">8495.25</ffd:OffsetClmdAmt>
    <ffd:OffsetPrrSctyTp contextRef="c_offset_1" id="ixv-447">Unallocated (Universal) Shelf</ffd:OffsetPrrSctyTp>
    <ffd:OffsetPrrSctyTitl contextRef="c_offset_1" id="ixv-448">Unallocated (Universal) Shelf</ffd:OffsetPrrSctyTitl>
    <ffd:OffsetPrrUnsoldOfferingAmt
      contextRef="c_offset_1"
      decimals="INF"
      id="ixv-449"
      unitRef="USD">55488270.00</ffd:OffsetPrrUnsoldOfferingAmt>
    <ffd:Rule457pOffsetFlg contextRef="c_offset_2" id="fee_019">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFilerNm contextRef="c_offset_2" id="ixv-451">BITDEER TECHNOLOGIES GROUP</ffd:OffsetPrrFilerNm>
    <ffd:OffsetPrrFormTp contextRef="c_offset_2" id="ixv-452">F-3</ffd:OffsetPrrFormTp>
    <ffd:OffsetPrrFileNb contextRef="c_offset_2" id="ixv-453">333-283732</ffd:OffsetPrrFileNb>
    <ffd:OffsetSrcFilgDt contextRef="c_offset_2" id="ixv-454">2024-12-11</ffd:OffsetSrcFilgDt>
    <ffd:OffsetPrrFeeAmt
      contextRef="c_offset_2"
      decimals="INF"
      id="ixv-455"
      unitRef="USD">8495.25</ffd:OffsetPrrFeeAmt>
    <ffd:TermntnCmpltnWdrwl contextRef="c_offset_1" id="ixv-364">The registrant previously filed a registration statement on Form F-3 (File No. 333-283732) with the Securities and Exchange Commission on December 11, 2024 (the "Prior Registration Statement"), which registered the issuance and sale of up to $1,000,000,000 of securities on an unallocated (universal) shelf basis (the &#x201c;Shelf Securities&#x201d;). A fee of $153,100.00 was previously paid in connection with the registration of the Shelf Securities. As of the date hereof, $55,488,270 in aggregate principal amount of Shelf Securities remain unsold under the Prior Registration Statement. Pursuant to Rule 457(p), $8,495.25 of the registration fees paid in connection with unsold Shelf Securities registered under the Prior Registration Statements (the offering of which unsold securities is deemed to have been terminated) can be applied to registration fees under subsequent registration statements. Pursuant to Rule 457(p), the Shelf Securities were carried forward to the registrant's automatic registration statement on Form F-3ASR (File No. 333-[&#x2022;]) filed with the SEC on August 10, 2026, to which this prospectus supplement relates. $8,495.25 of such registration fee previously paid with respect to the Shelf Securities will be applied to the ordinary shares registered pursuant to this prospectus supplement. No fee offsets in connection with the Prior Registration Statement remains available for future fee offsets.&lt;br/&gt;&lt;br/&gt;Pursuant to Rule 415(a)(6) the offering of securities on the earlier registration statement will be deemed terminated as of the date of effectiveness of this new registration statement.</ffd:TermntnCmpltnWdrwl>
    <ffd:TermntnCmpltnWdrwl contextRef="c_offset_2" id="ixv-456">Pursuant to Rule 415(a)(6) the offering of securities on the earlier registration statement will be deemed terminated as of the date of effectiveness of this new registration statement.</ffd:TermntnCmpltnWdrwl>
</xbrl>
