Business Acquisition (Details Textual) (USD $)					3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Aug. 05, 2013 Mile Rail	Mar. 31, 2013 Green Plains Grain Company	Dec. 03, 2012 Green Plains Grain Company bu T
Business Acquisition [Line Items]
number of locations				2
Goodwill	$ 58,554,000	$ 58,554,000	$ 54,387,000	$ 4,167,000		$ 33,175,000
Payable to acquiree						3,300,000
Grain storage capacity						32,000,000
Nutrient storage capacity						12,000
Goodwill increase					$ 3,000,000