Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

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)
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
December 31, 2015
Assets:
Commodity derivatives	$	—	$	241,837	$	—	$	241,837
Interest rate derivatives		—		659		—		659
Liabilities:
Commodity derivatives		—		(4,196)		—		(4,196)
Interest rate derivatives		—		(1,155)		—		(1,155)
Total	$	—	$	237,145	$	—	$	237,145

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

:

	December 31, 2016				December 31, 2015
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands)
Senior Notes	$	503,716	$	528,938	$	500,186	$	423,612
Facility		850,000		850,000		400,000		400,000
Total	$	1,353,716	$	1,378,938	$	900,186	$	823,612