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    <context id="rc">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001309402</identifier>
        </entity>
        <period>
            <startDate>2026-10-14</startDate>
            <endDate>2026-10-14</endDate>
        </period>
    </context>
    <context id="offrl_1">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001309402</identifier>
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        <period>
            <startDate>2026-10-14</startDate>
            <endDate>2026-10-14</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-168">S-8</ffd:FormTp>
    <ffd:SubmissnTp contextRef="rc" id="ixv-169">S-8</ffd:SubmissnTp>
    <ffd:FeeExhibitTp contextRef="rc" id="ixv-170">EX-FILING FEES</ffd:FeeExhibitTp>
    <dei:EntityCentralIndexKey contextRef="rc" id="ixv-171">0001309402</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-172">Green Plains Inc.</dei:EntityRegistrantName>
    <ffd:OfferingTableNa contextRef="rc" id="hiddenrcOfferingTableNa" xsi:nil="true"/>
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    <ffd:FormTp contextRef="rc" id="ixv-200">S-8</ffd:FormTp>
    <dei:EntityRegistrantName contextRef="rc" id="ixv-201">Green Plains Inc.</dei:EntityRegistrantName>
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    <ffd:OfferingSctyTitl contextRef="offrl_1" id="ixv-203">Common Stock, par value $0.001 </ffd:OfferingSctyTitl>
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      contextRef="offrl_1"
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      id="ixv-206"
      unitRef="USD">14.53</ffd:MaxOfferingPricPerScty>
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      contextRef="offrl_1"
      decimals="2"
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      contextRef="offrl_1"
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      id="ixv-208"
      unitRef="pure">0.000087</ffd:FeeRate>
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      id="ixv-209"
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    <ffd:TtlFeeAmt contextRef="rc" decimals="2" id="ixv-211" unitRef="USD">2528.22</ffd:TtlFeeAmt>
    <ffd:TtlOffsetAmt contextRef="rc" decimals="2" id="ixv-212" unitRef="USD">0.00</ffd:TtlOffsetAmt>
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    <ffd:OfferingNote contextRef="offrl_1" id="ixv-214">(1) Pursuant to Rule 416(a) under the Securities Act of 1933 (the "Securities Act"), this Registration Statement on Form S-8 (the "Registration Statement") also covers an indeterminate number of additional shares of Common Stock, par value $0.001 ("Common Stock"), of Green Plains Inc. (the "Company") that may be offered and issued under the Company's 2019 Equity Incentive Plan, as amended (the "Plan") to prevent dilution resulting from stock splits, stock distributions or similar transactions. (2) Represents shares of Common Stock issuable pursuant to the Plan. (3) Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(c) and Rule 457(h) of the Securities Act, based upon the average of the high and low prices of the Common Stock of the Company on The Nasdaq Stock Market LLC on October 12, 2026.</ffd:OfferingNote>
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