Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues
Oil, natural gas liquids and natural gas	$ 47,852	$ 97,628
Other	308	397
Total revenues	48,160	98,025
Operatings expenses
Lease operating	17,379	24,355
Marketing, gathering, transportation and other	7,142	9,357
Production and ad valorem taxes	3,383	2,768
General and administrative	5,320	15,038
Depletion, depreciation and amortization	19,979	54,063
Accretion	545	474
Impairments	86,298	236,485
Other operating expenses	2,247	5,393
Total operating expenses	142,293	347,933
Other income (expenses)
Interest expense, net of capitalized interest (contractual interest expense equals $51,073 three months ended March 31, 2016)	(11,575)	(70,247)
Gain on derivative instruments		36,124
Total other income (expenses)	(11,575)	(34,123)
Reorganization items, net	(29,374)
Net loss before income taxes	(135,082)	(284,031)
Income tax expense	0	0
Net loss	$ (135,082)	$ (284,031)
Net income (loss) per share:
Basic (in dollars per share)	$ (0.67)	$ (1.42)
Diluted (in dollars per share)	$ (0.67)	$ (1.42)
Weighted average shares outstanding – basic (in shares)	202,351	200,298
Weighted average shares outstanding – diluted (in shares)	202,351	200,298