Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Measurements

Schedule of Company's assets and liabilities that are measured at fair value on a recurring basis

	Fair Value Measurements Using:
	Quoted Prices in
	Active Markets for		Significant Other		Significant
	Identical Assets		Observable Inputs		Unobservable Inputs
	(Level 1)		(Level 2)		(Level 3)		Total
	(In thousands)
March 31, 2017
Assets:
Commodity derivatives	$	—	$	42,289	$	—	$	42,289
Interest rate derivatives		—		641		—		641
Liabilities:
Commodity derivatives		—		(14,182)		—		(14,182)
Interest rate derivatives		—		(33)		—		(33)
Total	$	—	$	28,715	$	—	$	28,715
December 31, 2016
Assets:
Commodity derivatives	$	—	$	34,924	$	—	$	34,924
Interest rate derivatives		—		582		—		582
Liabilities:
Commodity derivatives		—		(33,286)		—		(33,286)
Interest rate derivatives		—		(529)		—		(529)
Total	$	—	$	1,691	$	—	$	1,691

Schedule of carrying values and fair values of financial instruments that are not carried at fair value

	March 31, 2017				December 31, 2016
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Senior Notes	$	504,653	$	529,594	$	503,716	$	528,938
Facility		700,000		700,000		850,000		850,000
Total	$	1,204,653	$	1,229,594	$	1,353,716	$	1,378,938