CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income tax benefit (expense)	$ 0
Net income (loss)	28,407
Weighted average shares outstanding – basic		85,941
Successor [Member]
Operating income (loss)	11,929
Reorganization items, net	28,407
Net income (loss)	28,407
Preferred stock dividends	0
Net income (loss) attributable to common shareholders	$ 28,407
Weighted average shares outstanding – basic	14,992
Weighted average shares outstanding – diluted	15,126
Revenues
Crude oil	$ 30,073
Natural gas liquids	2,302
Natural gas	2,343
Gain (loss) on sales of property and equipment, net	65
Other, net	602
Total revenues	35,385
Operating expenses
Lease operating	4,989
Gathering, processing and transportation	2,551
Production and ad valorem taxes	1,979
General and administrative	4,127
Exploration	0
Depreciation, depletion and amortization	9,810
Total operating expenses	23,456
Other income (expense)
Interest expense	(538)
Derivatives	17,016
Other, net	$ 0
Net income (loss) per share:
Basic (in dollars per share)	$ 1.89
Diluted (in dollars per share)	$ 1.88
Predecessor [Member]
Operating income (loss)		$ (12,507)
Reorganization items, net		(33,473)
Income tax benefit (expense)		0
Net income (loss)		(33,473)
Preferred stock dividends		(3,152)
Net income (loss) attributable to common shareholders		$ (36,625)
Weighted average shares outstanding – basic		85,941
Weighted average shares outstanding – diluted		85,941
Revenues
Crude oil		$ 25,966
Natural gas liquids		1,953
Natural gas		2,402
Gain (loss) on sales of property and equipment, net		(153)
Other, net		329
Total revenues		30,497
Operating expenses
Lease operating		6,192
Gathering, processing and transportation		3,818
Production and ad valorem taxes		753
General and administrative		17,102
Exploration		1,327
Depreciation, depletion and amortization		13,812
Total operating expenses		43,004
Other income (expense)
Interest expense		(24,434)
Derivatives		4,492
Other, net		$ (1,024)
Net income (loss) per share:
Basic (in dollars per share)		$ (0.43)
Diluted (in dollars per share)		$ (0.43)