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Debt (Schedule Of Short-term Notes Payable And Other Borrowings) (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Short-term notes payable and other borrowings	$ 146,614,000	$ 187,812,000
Green Plains Trade [Member] | $300.0 Million Revolver [Member]
Debt Instrument [Line Items]
Short-term notes payable and other borrowings	79,488,000	138,204,000
Debt instrument, face amount	300,000,000.0	300,000,000.0
Green Plains Grain [Member] | $100.0 Million Revolver [Member]
Debt Instrument [Line Items]
Short-term notes payable and other borrowings	40,000,000	40,000,000
Debt instrument, face amount	100,000,000.0	100,000,000.0
Green Plains Grain [Member] | $50.0 Million Inventory Financing [Member]
Debt Instrument [Line Items]
Short-term notes payable and other borrowings	5,920,000
Debt instrument, face amount	50,000,000.0	50,000,000.0
Green Plains Commodity Management [Member] | Hedge Line $30.0 Million [Member]
Debt Instrument [Line Items]
Short-term notes payable and other borrowings	21,206,000	9,608,000
Debt instrument, face amount	$ 30,000,000.0	$ 30,000,000.0

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Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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