Related Party Transactions (Transactions Entered Into For the Time Periods Presented) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Related party transactions entered into for the time periods presented
Sales revenues		$ 61,168	$ 88,815
Service fee revenues	[1]	4,112	5,117
Purchases of product		169,229	181,524
Lease income	[2]	1,014	1,582
Labor and benefits reimbursement	[3]	3,857	3,567
Accounts receivable	[4]	20,134	27,438	$ 17,829
Accounts payable	[5]	$ 24,644	$ 33,184	$ 28,432

[1] Service fee revenues include management fees, corn origination fees, ethanol and distillers dried grains (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.

[3] The Company provides all operational labor to the unconsolidated ethanol LLCs

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

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