Dispositions (Summary Of Assets And Liabilities Disposed Of) (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 15, 2018	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total units retired		$ 120,900
General Partner [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total units retired		$ 2,418
Ethanol Plants In Bluffton Indiana Lakota Iowa And Riga Michigan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration received	$ 120,900
Property and equipment, net	4,192
Asset retirement obligations	(425)
Total identifiable net assets	3,767
Total units retired	120,900
Partners' deficit effect	(3,767)
Ethanol Plants In Bluffton Indiana Lakota Iowa And Riga Michigan [Member] | Common Units - Green Plains [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total units retired	118,482
Ethanol Plants In Bluffton Indiana Lakota Iowa And Riga Michigan [Member] | General Partner [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total units retired	$ 2,418