Related Party Transactions (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Related party transactions entered into for the time periods presented
Sales revenues	$ 226,989		$ 233,966		$ 420,050		$ 416,836
Service fee revenues	5,393	[1]	5,852	[1]	10,872	[1]	11,019	[1]
Purchases of product	145,513		159,781		294,322		288,779
Lease income	1,855	[2]	1,415	[2]	3,733	[2]	2,667	[2]
Labor and benefits reimbursement	3,010	[3]	2,611	[3]	5,751	[3]	5,384	[3]
Other expenses	197	[4]	45	[4]	336	[4]	45	[4]
Accounts receivable at June 30	16,575	[5]	23,558	[5]	16,575	[5]	23,558	[5]
Accounts payable at June 30	$ 20,478	[6]	$ 21,409	[6]	$ 20,478	[6]	$ 21,409	[6]

[1] Service fee revenues include management fee, corn origination fee, 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 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 shop rent and use of their railroad reporting mark, as well as payment to LTG for the lease of railcars.

[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.