Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables present the Company’s assets and liabilities that are measured at fair value on a recurring basis as of June 30, 2016 and December 31, 2015, for each fair value hierarchy level:

	Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)		Total
June 30, 2016 (unaudited)	(In thousands)
Assets:
Commodity derivatives	$	—	$	13,863		$	—	$	13,863
Liabilities:
Commodity derivatives		—		(1,150	)		—	$	(1,150	)
Total	$	—	$	12,713		$	—	$	12,713
December 31, 2015	(In thousands)
Assets:
Commodity derivatives	$	—	$	36,083		$	—	$	36,083
Liabilities:
Commodity derivatives		—		—			—	$	—
Total	$	—	$	36,083		$	—	$	36,083