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      xlink:href="https://xbrl.sec.gov/ffd/2025/ffd-2025.xsd"
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        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001509991</identifier>
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        <period>
            <startDate>2026-05-29</startDate>
            <endDate>2026-05-29</endDate>
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    <context id="c_report">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001509991</identifier>
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        <period>
            <startDate>2026-05-29</startDate>
            <endDate>2026-05-29</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:SubmissnTp contextRef="c_report" id="fee_001">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="c_report" id="fee_002">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="c_report" id="fee_003">0001509991</dei:EntityCentralIndexKey>
    <ffd:PrevslyPdFlg contextRef="c_offering_1" id="fee_004">false</ffd:PrevslyPdFlg>
    <ffd:OfferingTableNa contextRef="c_report" id="fee_005" xsi:nil="true"/>
    <ffd:OffsetTableNa contextRef="c_report" id="fee_006">N/A</ffd:OffsetTableNa>
    <ffd:FormTp contextRef="c_report" id="fee_007">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="c_report" id="fee_008">Kosmos Energy Ltd.</dei:EntityRegistrantName>
    <ffd:OfferingSctyTp contextRef="c_offering_1" id="fee_009">Equity</ffd:OfferingSctyTp>
    <ffd:OfferingSctyTitl contextRef="c_offering_1" id="fee_010">Common Stock, par value $0.01</ffd:OfferingSctyTitl>
    <ffd:FeesOthrRuleFlg contextRef="c_offering_1" id="fee_011">true</ffd:FeesOthrRuleFlg>
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      contextRef="c_offering_1"
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      contextRef="c_offering_1"
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      contextRef="c_offering_1"
      decimals="INF"
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      unitRef="USD">46720000.00</ffd:TtlOfferingAmt>
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      contextRef="c_report"
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      unitRef="USD">6452.03</ffd:TtlFeeAmt>
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      contextRef="c_report"
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      unitRef="USD">0.00</ffd:TtlOffsetAmt>
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      contextRef="c_report"
      decimals="INF"
      id="fee_020"
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    <ffd:OfferingNote contextRef="c_offering_1" id="fee_021">This Registration Statement on Form S-8 (this &#x201c;Registration Statement&#x201d;) covers shares of common stock, par value $0.01 per share (&#x201c;Common Stock&#x201d;), of Kosmos Energy Ltd. (the &#x201c;Company&#x201d; or the &#x201c;Registrant&#x201d;) (i) issuable pursuant to the Kosmos Energy Ltd. Long Term Incentive Plan (amended and restated as of March 4, 2026 (the &#x201c;Plan&#x201d;)) and (ii) pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#x201c;Securities Act&#x201d;), any additional shares of Common Stock that may become issuable under the Plan by reason of any share dividend, share split or other similar transaction.&lt;br/&gt;&lt;br/&gt;Proposed maximum offering price per unit and amount of registration fee are rounded to the nearest whole cent.&lt;br/&gt;&lt;br/&gt;Maximum aggregate offering price is estimated solely for the purpose of determining the registration fee pursuant to Rule 457(h) and Rule 457(c) under the Securities Act, based upon the average of the high and low sales prices for a share of Common Stock as quoted on the New York Stock Exchange on May 26, 2026.&lt;br/&gt;</ffd:OfferingNote>
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