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            <startDate>2025-11-12</startDate>
            <endDate>2025-11-12</endDate>
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    <unit id="USD">
        <measure>iso4217:USD</measure>
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    <unit id="pure">
        <measure>pure</measure>
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    <unit id="Shares">
        <measure>shares</measure>
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    <ffd:FormTp contextRef="rc" id="ixv-351">F-3</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-352">424B5</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-353">EX-FILING FEES</ffd:FeeExhibitTp>
    <ffd:RegnFileNb contextRef="rc" id="ixv-354">333-282473</ffd:RegnFileNb>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-355">0001772253</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-356">Flex LNG Ltd.</dei:EntityRegistrantName>
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    <ffd:FormTp contextRef="rc" id="ixv-405">F-3</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-406">Flex LNG Ltd.</dei:EntityRegistrantName>
    <ffd:PrevslyPdFlg contextRef="offrl_1" id="ixv-407">false</ffd:PrevslyPdFlg>
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      id="ixv-411"
      unitRef="USD">100000000.00</ffd:MaxAggtOfferingPric>
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      contextRef="offrl_1"
      decimals="INF"
      id="ixv-412"
      unitRef="pure">0.0001381</ffd:FeeRate>
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      contextRef="offrl_1"
      decimals="INF"
      id="ixv-413"
      unitRef="USD">13810.00</ffd:FeeAmt>
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    <ffd:TtlFeeAmt contextRef="rc" decimals="INF" id="ixv-415" unitRef="USD">13810.00</ffd:TtlFeeAmt>
    <ffd:TtlPrevslyPdAmt contextRef="rc" decimals="INF" id="ixv-416" unitRef="USD">0.00</ffd:TtlPrevslyPdAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="INF" id="ixv-417" unitRef="USD">11020.00</ffd:TtlOffsetAmt>
    <ffd:NetFeeAmt contextRef="rc" decimals="INF" id="ixv-418" unitRef="USD">2790.00</ffd:NetFeeAmt>
    <ffd:OfferingNote contextRef="offrl_1" id="ixv-419">(1) Pursuant to Rule 416 under the Securities Act of 1933, as amended (the "Securities Act"), the ordinary shares being registered hereunder include such indeterminate number of ordinary shares in an aggregate amount not to exceed $100,000,000 as may be issuable with respect to the ordinary shares being registered hereunder as a result of stock splits, stock dividends or similar transactions.

(2) The proposed maximum aggregate offering price per class of security will be determined from time to time by the registrant in connection with the issuance by the registrant of the securities registered hereunder.

(3) Calculated in accordance with Rule 457(r) under the Securities Act. Payment of the registration fee at the time of filing of the registrant's Registration Statement on Form F-3ASR (File No. 333- 282473) on October 2, 2024 was deferred pursuant to Rule 456(b) and Rule 457(r) under the Securities Act and is paid herewith.</ffd:OfferingNote>
    <ffd:Rule457pOffsetFlg contextRef="ofst_1" id="ixv-420">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFilerNm contextRef="ofst_1" id="ixv-421">FLEX LNG LTD.</ffd:OffsetPrrFilerNm>
    <ffd:OffsetPrrFormTp contextRef="ofst_1" id="ixv-422">F-3</ffd:OffsetPrrFormTp>
    <ffd:OffsetPrrFileNb contextRef="ofst_1" id="ixv-423">333-268367</ffd:OffsetPrrFileNb>
    <ffd:OffsetClmInitlFilgDt contextRef="ofst_1" id="ixv-424">2022-11-15</ffd:OffsetClmInitlFilgDt>
    <ffd:OffsetClmdAmt
      contextRef="ofst_1"
      decimals="INF"
      id="ixv-425"
      unitRef="USD">11020.00</ffd:OffsetClmdAmt>
    <ffd:OffsetPrrSctyTp contextRef="ofst_1" id="ixv-426">Equity</ffd:OffsetPrrSctyTp>
    <ffd:OffsetPrrSctyTitl contextRef="ofst_1" id="ixv-427">Ordinary shares, par value $0.01 per share</ffd:OffsetPrrSctyTitl>
    <ffd:OffsetPrrUnsoldOfferingAmt
      contextRef="ofst_1"
      decimals="INF"
      id="ixv-428"
      unitRef="USD">100000000.00</ffd:OffsetPrrUnsoldOfferingAmt>
    <ffd:Rule457pOffsetFlg contextRef="ofst_2" id="ixv-429">true</ffd:Rule457pOffsetFlg>
    <ffd:OffsetPrrFilerNm contextRef="ofst_2" id="ixv-430">FLEX LNG LTD.</ffd:OffsetPrrFilerNm>
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    <ffd:OffsetPrrFileNb contextRef="ofst_2" id="ixv-432">333-268367</ffd:OffsetPrrFileNb>
    <ffd:OffsetSrcFilgDt contextRef="ofst_2" id="ixv-433">2022-11-15</ffd:OffsetSrcFilgDt>
    <ffd:OffsetPrrFeeAmt
      contextRef="ofst_2"
      decimals="INF"
      id="ixv-434"
      unitRef="USD">11020.00</ffd:OffsetPrrFeeAmt>
    <ffd:TermntnCmpltnWdrwl contextRef="ofst_1" id="ixv-435">FLEX LNG Ltd. previously paid an aggregate registration fee of $11,020 in connection with the Registration Statement on Form F-3 (Registration Statement No. 333-268367), filed on November 15, 2022, as amended on December 1, 2022 (the "Prior Registration Statement") relating to the registration of $100 million ordinary shares, of which there were no ordinary shares sold or issued pursuant to the Prior Registration Statement. Pursuant to Rule 457(p), the $13,810 registration fee associated with this 424(b)(5) filing is being partially offset by the $11,020 in fees that remain available under the Prior Registration Statement. The offering of the unsold offset securities pursuant to the Prior Registration Statement associated with the claimed fee offset pursuant to Rule 457(p) has been completed or terminated.</ffd:TermntnCmpltnWdrwl>
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