Related Party Transactions (Details 2) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2015		Jun. 30, 2014		Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Related party transactions entered into for the time periods presented
Sales revenues		$ 197,253		$ 297,108		$ 346,724	$ 519,102
Service fee revenues		6,330	[1]	6,203	[1]	11,255	11,841
Purchases of product		113,314		169,601		216,108	324,616
Lease income	[2]	1,582		1,596		3,245	3,260
Labor and benefits reimbursement		2,779	[3]	2,931	[3]	5,811	5,799
Other expenses	[4]	224		238		557	724
Accounts receivable	[5]	31,495		27,028		31,495	27,028	$ 25,049
Accounts payable	[6]	$ 13,848		$ 21,829		$ 13,848	$ 21,829	$ 17,687

[1] Service fee revenues include management fees, corn origination fees, ethanol and DDG marketing fees, and other commissions.

[2] Lease income includes the lease of the Company’s Albion, Michigan and Clymers, Indiana grain facilities as well as certain railcars to the various ethanol LLCs and IANR.

[3] The Company provides all operational labor to the unconsolidated ethanol LLCs and charges them an amount equal to the Company’s costs of the related services.

[4] Other expenses include payments to IANR for repair facility rent and use of their railroad reporting mark, payment to LTG for the lease of railcars and other various expenses.

[5] Accounts receivable represents amounts due from related parties for sales of corn, leasing revenue and service fees.

[6] Accounts payable represents amounts due to related parties for purchases of ethanol and other various items.