Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents assets and liabilities measured and recorded at fair value in our condensed consolidated balance sheets on a recurring basis by and their level within the fair value hierarchy (in thousands):

	Level 1			Level 2			Level 3			Total
September 30, 2018
Non-trading commodity derivative assets	$	223		$	25,077		$	—		$	25,300
Trading commodity derivative assets	—			—			—			—
Total commodity derivative assets	$	223		$	25,077		$	—		$	25,300
Non-trading commodity derivative liabilities	$	(63	)	$	(502	)	$	—		$	(565	)
Trading commodity derivative liabilities	(189		)	(4		)	—			(193		)
Total commodity derivative liabilities	$	(252	)	$	(506	)	$	—		$	(758	)
Contingent payment arrangement	$	—		$	—		$	(2,980	)	$	(2,980	)

	Level 1			Level 2			Level 3			Total
December 31, 2017
Non-trading commodity derivative assets	$	158		$	33,886		$	—		$	34,044
Trading commodity derivative assets	—			456			—			456
Total commodity derivative assets	$	158		$	34,342		$	—		$	34,500
Non-trading commodity derivative liabilities	$	(387	)	$	(950	)	$	—		$	(1,337	)
Trading commodity derivative liabilities	(555		)	(237		)	—			(792		)
Total commodity derivative liabilities	$	(942	)	$	(1,187	)	$	—		$	(2,129	)
Contingent payment arrangement	$	—		$	—		$	(4,650	)	$	(4,650	)

Reconciliation of Liabilities Measured at Fair Value on a Recurring Basis

The following table presents a reconciliation of liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the nine months ended September 30, 2018.

	Major Earnout and Stock Earnout
Fair Value at December 31, 2017	$	4,650
Change in fair value of contingent consideration, net	(63		)
Payments and settlements	(1,607		)
Fair Value at September 30, 2018	$	2,980