Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables present 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
June 30, 2019
Non-trading commodity derivative assets	$	—		$	20		$	—		$	20
Trading commodity derivative assets	—			32			—			32
Total commodity derivative assets	$	—		$	52		$	—		$	52
Non-trading commodity derivative liabilities	$	(1,415	)	$	(29,011	)	$	—		$	(30,426	)
Trading commodity derivative liabilities	—			—			—			—
Total commodity derivative liabilities	$	(1,415	)	$	(29,011	)	$	—		$	(30,426	)
Contingent payment arrangement	$	—		$	—		$	(1,328	)	$	(1,328	)

	Level 1			Level 2			Level 3			Total
December 31, 2018
Non-trading commodity derivative assets	$	104		$	9,821		$	—		$	9,925
Trading commodity derivative assets	44			596			—			640
Total commodity derivative assets	$	148		$	10,417		$	—		$	10,565
Non-trading commodity derivative liabilities	$	(352	)	$	(5,685	)	$	—		$	(6,037	)
Trading commodity derivative liabilities	(75		)	(472		)	—			(547		)
Total commodity derivative liabilities	$	(427	)	$	(6,157	)	$	—		$	(6,584	)
Contingent payment arrangement	$	—		$	—		$	(1,328	)	$	(1,328	)

Reconciliation of Liabilities Measured at Fair Value on a Recurring Basis

The following table presents a roll forward of our contingent payment arrangements, which are measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the six months ended June 30, 2019.

	Major Earnout and Stock Earnout
Fair Value at December 31, 2018	$	1,328
Change in fair value of contingent consideration, net	—
Accretion of contingent earnout consideration (included within interest expense)	—
Payments and settlements	—
Fair Value at June 30, 2019	$	1,328