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Equity Method Investments (Earnings From Equity Method Investments) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total income from equity method investments, net of income taxes |  | $ 21,093 | $ 2,797 | $ (596)
Distributions from equity method investments |  | 27,910 | 320 |
Earnings from equity method investments, net of distributions |  | (6,817) | 2,477 | (596)
Green Plains Cattle Company LLC [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total income from equity method investments, net of income taxes | [1] | 20,531 | 2,839 |
Pretax equity method earnings |  | 27,000 | 3,800 |
All Others [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total income from equity method investments, net of income taxes |  | $ 562 | $ (42) | $ (596)
[1] | Pretax equity method earnings of GPCC were $27.0 and $3.8 million for the years ended December 31, 2020 and 2019.

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