Condensed Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Oil and natural gas	$ 58,274	$ 106,069
Contract drilling	38,710	95,077
Gas gathering and processing	39,200	53,953
Total revenues	136,184	255,099
Oil and natural gas:
Operating costs	33,346	45,211
Depreciation, depletion, and amortization	31,832	77,118
Impairment of oil and natural gas properties (Note 2)	37,829	400,593
Contract drilling:
Operating costs	28,098	51,746
Depreciation	12,195	15,013
Gas gathering and processing:
Operating costs	31,066	44,175
Depreciation and amortization	11,459	10,694
General and administrative	8,715	9,370
Gain on disposition of assets	(192)	(545)
Total operating expenses	194,348	653,375
Loss from operations	(58,164)	(398,276)
Other income (expense):
Interest, net	(9,617)	(7,240)
Gain on derivatives	10,929	6,586
Other	(15)	(2)
Total other income (expense)	1,297	(656)
Loss before income taxes	(56,867)	(398,932)
Income tax expense (benefit):
Current	0	65
Deferred	(15,718)	(150,643)
Total income taxes	(15,718)	(150,578)
Net loss	$ (41,149)	$ (248,354)
Net loss per common share:
Basic	$ (0.83)	$ (5.07)
Diluted	$ (0.83)	$ (5.07)