Equity Method Investments (Summary Of Statement Of Operations Data Of Equity Method Investee) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Revenues		$ 2,827,168	$ 1,923,719	$ 2,417,238
Total operating expenses		2,801,660	2,046,415	2,559,808
Net loss		(44,146)	(89,654)	$ (148,000)
Green Plains Cattle Company LLC [Member]
Schedule of Equity Method Investments [Line Items]
Revenues	[1]	747,824	370,383
Total operating expenses	[1]	693,753	362,878
Net loss	[1]	$ 54,071	$ 7,505

[1] GPCC equity method treatment began on September 1, 2019 and ended on October 1, 2020. As such, fiscal year 2020 includes nine months of GPCC operations while fiscal year 2019 includes four months of GPCC operations.