Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value Summary of Long-Term Debt with Fixed Interest Rates

The following table summarizes the fair value of our long-term debt with fixed interest rates, which is estimated based on the published market prices for these debt obligations as of the dates presented:

	Successor				Predecessor
	December 31, 2016				December 31, 2015
	Fair Value		Carrying Value		Fair Value		Carrying Value
Senior Notes due 2019 1	$	—	$	—	$	40,830	$	300,000
Senior Notes due 2020 1	—		—		125,473		775,000
	$	—	$	—	$	166,303	$	1,075,000

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables summarize the valuation of those assets and (liabilities) as of the dates presented:

	Successor
	December 31, 2016
	Fair Value			Fair Value Measurement Classification
Description	Measurement			Level 1		Level 2			Level 3
Liabilities:
Commodity derivative liabilities – current	$	(12,932	)	$	—	$	(12,932	)	$	—
Commodity derivative liabilities – noncurrent	(14,437		)	—		(14,437		)	—

	Predecessor
	December 31, 2015
	Fair Value			Fair Value Measurement Classification
Description	Measurement			Level 1			Level 2		Level 3
Assets:
Commodity derivative assets – current	$	97,956		$	—		$	97,956	$	—
Assets of the SERP	4,123			4,123			—		—
Liabilities:
Deferred compensation – SERP obligation	(4,125		)	(4,125		)	—		—