Partners' Deficit (Schedule of Changes in Partners' Deficit) (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended	6 Months Ended
May 08, 2020	Feb. 07, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period			$ (76,579)	$ (75,747)	$ (73,396)	$ (72,454)	$ (75,747)	$ (72,454)
Quarterly cash distributions to unitholders ($0.475 per unit)	$ (2,800)	$ (11,300)	(2,836)	(11,280)	(11,269)	(11,269)
Net income			10,184	10,369	10,709	10,248	20,553	20,957
Unit-based compensation, including general partner net contributions			79	79	79	79
Balance, Ending period			$ (69,152)	$ (76,579)	$ (73,877)	$ (73,396)	(69,152)	(73,877)
Quarterly distribution paid, per unit	$ 0.12	$ 0.475	$ 0.12	$ 0.475	$ 0.475	$ 0.475
General Partner [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period			$ (1,520)	$ (1,449)	$ (1,244)	$ (1,171)	(1,449)	(1,171)
Quarterly cash distributions to unitholders ($0.475 per unit)			(57)	(278)	(278)	(278)
Net income			204	207	213	205	411	418
Balance, Ending period			(1,373)	(1,520)	(1,309)	(1,244)	(1,373)	(1,309)
Common Units - Public [Member] \| Limited Partners [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period			113,665	114,006	114,958	115,352	114,006	115,352
Quarterly cash distributions to unitholders ($0.475 per unit)			(1,389)	(5,498)	(5,487)	(5,487)
Net income			4,987	5,078	5,240	5,014
Unit-based compensation, including general partner net contributions			79	79	79	79
Balance, Ending period			117,342	113,665	114,790	114,958	117,342	114,790
Common Units - Green Plains [Member] \| Limited Partners [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance, Beginning period			(188,724)	(188,304)	(187,110)	(186,635)	(188,304)	(186,635)
Quarterly cash distributions to unitholders ($0.475 per unit)			(1,390)	(5,504)	(5,504)	(5,504)
Net income			4,993	5,084	5,256	5,029
Balance, Ending period			$ (185,121)	$ (188,724)	$ (187,358)	$ (187,110)	$ (185,121)	$ (187,358)

Amount of cash distribution paid to unit-holder of limited partnership (LP).

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Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP).

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