Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Disaggregation of Revenue

The following table depicts the disaggregation of revenue according to product line and segment:

	Reportable Segment
Three months ended June 30, 2018	Biomass-based Diesel		Services		Renewable Chemicals		Corporate and other		Intersegment Revenues			Consolidated Total
Biomass-based diesel sales, net of BTC related amount due to customers of $0	$	484,150	$	—	$	—	$	6,103	$	(16,737	)	$	473,516
Petroleum diesel sales	—		—		—		47,070		—			47,070
Other biomass-based diesel revenue	30,523		—		—		—		—			30,523
Separated RIN sales	26,186		—		—		—		—			26,186
Other revenues	—		17,523		1,063		—		(16,646		)	1,940
Total revenues from contracts with customers	$	540,859	$	17,523	$	1,063	$	53,173	$	(33,383	)	$	579,235
Biomass-based diesel government incentives	915		—		—		—		—			915
Total revenues	$	541,774	$	17,523	$	1,063	$	53,173	$	(33,383	)	$	580,150

	Reportable Segment
Six months ended June 30, 2018	Biomass-based Diesel		Services		Renewable Chemicals		Corporate and other		Intersegment Revenues			Consolidated Total
Biomass-based diesel sales, net of BTC related amount due to customers of $144,944	$	648,369	$	—	$	—	$	9,682	$	(32,448	)	$	625,603
Petroleum diesel sales	—		—		—		118,034		—			118,034
Other biomass-based diesel revenue	82,233		—		—		—		—			82,233
Separated RIN sales	73,365		—		—		—		—			73,365
Other revenues	—		52,738		2,923		—		(51,694		)	3,967
Total revenues from contracts with customers	$	803,967	$	52,738	$	2,923	$	127,716	$	(84,142	)	$	903,202
Biomass-based diesel government incentives	366,200		—		—		—		—			366,200
Total revenues	$	1,170,167	$	52,738	$	2,923	$	127,716	$	(84,142	)	$	1,269,402

Contract Balances

The following table provides information about receivables and contract liabilities from contracts with customers:

	June 30, 2018
Accounts receivable	$	91,020
Short-term contract liabilities (deferred revenue)	$	(161	)
Short-term contract liabilities (accounts payable)	$	(40,935	)

Significant changes to the contract liabilities during the three and six months ended June 30, 2018 are as follows:

	April 1, 2018		Cash receipts (Payments)			Less: Impact on Revenue		Other			June 30, 2018
Deferred revenue	$	1,740	$	3,296		$	4,872	$	(3	)	$	161
Payables to customers related to BTC	150,776		(109,841		)	—		—			40,935
	$	152,516	$	(106,545	)	$	4,872	$	(3	)	$	41,096

	January 1, 2018		Cash receipts (Payments)			Less: Impact on Revenue			Other			June 30, 2018
Deferred revenue	$	2,218	$	13,803		$	15,857		$	(3	)	$	161
Payables to customers related to BTC	—		(109,841		)	(144,944		)	5,832			40,935
	$	2,218	$	(96,038	)	$	(129,087	)	$	5,829		$	41,096