Related Party Transactions (Details) $ in Thousands, gal in Millions		6 Months Ended	12 Months Ended
	Jul. 01, 2015 $ / gal	Dec. 31, 2017 USD ($) gal	Dec. 31, 2017 USD ($) $ / gal item gal	Dec. 31, 2016 USD ($) $ / gal item gal	Dec. 31, 2015 USD ($) $ / gal gal		Jun. 30, 2017 USD ($)
Related Party Transaction [Line Items]
Shared services expenses			$ 4,200	$ 3,700	$ 1,600
Revenue from related parties			100,808	95,470	42,549	[1]
Tank cleaning expense			53	29	28
Distribution to Green Plains			57,771	53,125	168,275	[2]
Member contributions (distributions)					7,890
Green Plains Trade [Member] | Fee-based Storage and Throughput and Rail Transporatation Agreements [Member]
Related Party Transaction [Line Items]
Deficiency payment							$ 1,000
Deficiency payment credit		$ 1,000
Revenue from related parties			$ 92,400	$ 89,100	$ 36,900
Green Plains Trade [Member] | Fee-based Rail Transportation Services Agreement [Member]
Related Party Transaction [Line Items]
Railcar volumetric capacity, average monthly fee, price per gallon | $ / gal			0.0267	0.0330	0.0358
Railcar volumetric capacity (in gallons) | gal			93.5	79.2	64.0
Number of railcars | item			3,500	3,100
Logistical operations management and other services, volumetric capacity | gal		6.6	6.6	3.0
Logistical operations management and other services, monthly fee, price per gallon | $ / gal			0.0013
Green Plains Trade [Member] | Birmingham Terminal Services Agreement [Member]
Related Party Transaction [Line Items]
Minimum volume commitment, throughput capacity (in gallons) | gal			2.8
MLP Predecessor [Member] | Green Plains Trade [Member] | Fee-based Trucking Transportation and Terminal Services Agreements [Member]
Related Party Transaction [Line Items]
Revenue from related parties			$ 8,400	$ 6,300	$ 5,600
IPO [Member] | Green Plains Trade [Member] | Fee-based Storage and Throughput and Rail Transporatation Agreements [Member]
Related Party Transaction [Line Items]
Minimum volume commitment, throughput capacity (in gallons) | gal			296.6
Throughput, price per gallon | $ / gal			0.05
IPO [Member] | Green Plains Trade [Member] | Fee-based Storage and Throughput Agreement [Member]
Related Party Transaction [Line Items]
Service agreement, term	10 years
Throughput, price per gallon | $ / gal	0.05
IPO [Member] | Green Plains Trade [Member] | Fee-based Rail Transportation Services Agreement [Member]
Related Party Transaction [Line Items]
Service agreement, term	6 years		10 years
IPO [Member] | Green Plains Trade [Member] | Fee-based Trucking Transportation Agreement [Member]
Related Party Transaction [Line Items]
Service agreement, term	1 year
IPO [Member] | Green Plains Trade [Member] | Birmingham Terminal Services Agreement [Member]
Related Party Transaction [Line Items]
Service agreement, term	2 years 6 months

[1] Recast to include historical results of operations related to net assets acquired in a transfer between entities under common control. See Notes 1 and 4 in the accompanying notes to consolidated financial statements for further discussion.

[2] Recast to include historical cash flow activity related to net assets acquired in a transfer between entities under common control. See Notes 1 and 4 in the accompanying notes to consolidated financial statements for further discussion.