Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2022	Apr. 28, 2022
Document and Entity Information [Abstract]
Document type	10-Q
Document period end date	Mar. 31, 2022
Document fiscal period focus	Q1
Document fiscal year focus	2022
Document Quarterly Report	true
Document Transition Report	false
Entity registrant name	Green Plains PARTNERS LP
Entity Incorporation, State or Country Code	DE
Entity File Number	001-37469
Entity Address, Address Line One	1811 Aksarben Drive
Entity Address, City or Town	Omaha
Entity Address, State or Province	NE
Entity Address, Postal Zip Code	68106
City Area Code	402
Local Phone Number	884-8700
Title of 12(b) Security	Common Units, Representing Limited Partner Interests
Trading symbol	GPP
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Tax Identification Number	47-3822258
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity common stock, shares outstanding		23,227,653
Entity central index key	0001635650
Current fiscal year end date	--12-31
Amendment flag	false