Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Derivative Financial Instruments by Balance Sheet Location

The following table sets forth the fair value of the Company's commodity contract derivatives and amounts that offset within the Condensed Consolidated Balance Sheets:

	September 30, 2015						December 31, 2014
	Assets			Liabilities			Assets			Liabilities
Gross amounts of derivatives recognized at fair value	$	2,999		$	(680	)	$	14,901		$	205
Cash collateral	3,817			—			2,870			4,628
Total gross amount recognized	6,816			(680		)	17,771			4,833
Gross amounts offset	(680		)	680			(4,833		)	(4,833		)
Net amount reported in the condensed consolidated balance sheet	$	6,136		$	—		$	12,938		$	—

Summary of Derivative Financial Instruments by Location of Gain (Loss)

The following table sets forth the commodity contract derivatives gains (losses) included in the Condensed Consolidated Statements of Operations:

	Location of Gain (Loss) Recognized in income	Three Months   Ended   September 30,   2015		Three Months   Ended   September 30,   2014		Nine Months   Ended   September 30,   2015		Nine Months   Ended   September 30,   2014
Commodity derivatives	Cost of goods sold – Biomass-based diesel	$	23,349	$	19,249	$	19,358	$	15,811