Partners' Capital (Rollforward Of The Number Of Common And Subordinated Limited Partner Units Outstanding) (Details) - USD ($)	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Jul. 01, 2015
Increase (Decrease) in Partners' Capital [Roll Forward]
Units issued in connection with IPO, July 1, 2015				$ 31,779,284
Units, December 31, 2015		31,800,300	31,789,373
Units issued under the LTIP	10,089	15,827	16,260
Units forfeited under the LTIP		(4,278)	(5,333)
Units, End of period	31,789,373	31,811,849	31,800,300
Common Units - Public [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Units issued in connection with IPO, July 1, 2015				11,500,000
Units, December 31, 2015		11,521,016	11,510,089
Units issued under the LTIP	10,089	15,827	16,260
Units forfeited under the LTIP		(4,278)	(5,333)
Units, End of period	11,510,089	11,532,565	11,521,016
Common Units - Green Plains [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Units issued in connection with IPO, July 1, 2015				4,389,642
Units, December 31, 2015		4,389,642	4,389,642
Units issued under the LTIP
Units forfeited under the LTIP
Units, End of period	4,389,642	4,389,642	4,389,642
Subordinated Units [Member]
Increase (Decrease) in Partners' Capital [Roll Forward]
Units issued in connection with IPO, July 1, 2015				$ 15,889,642
Units, December 31, 2015		15,889,642	15,889,642
Units issued under the LTIP
Units forfeited under the LTIP
Units, End of period	15,889,642	15,889,642	15,889,642