CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 12, 2016	Sep. 30, 2017	Sep. 12, 2016		Sep. 30, 2017
Other income (expense)
Income tax benefit (expense)			$ 0			$ 0
Net income (loss)						43,463
Successor [Member]
Revenues
Crude oil	$ 5,508		29,963			92,387
Natural gas liquids	333		2,393			6,738
Natural gas	475		1,977			6,200
Gain on sales of assets, net	0		9			(60)
Other, net	33		117			462
Total revenues	6,349		34,459			105,727
Operating expenses
Lease operating	756		5,254			15,540
Gathering, processing and transportation	576		2,399			7,505
Production and ad valorem taxes	375		1,668			5,766
General and administrative	1,476		6,952			14,800
Exploration	0		0			0
Depreciation, depletion and amortization	2,029		10,659			31,545
Total operating expenses	5,212		26,932			75,156
Operating income (loss)	1,137		7,527			30,571
Other income (expense)
Interest expense	(218)		(1,202)			(3,014)
Derivatives	(4,369)		(12,275)			15,802
Other, net	9		3			104
Reorganization items, net	0		0			0
Income (loss) before income taxes	(3,441)		(5,947)			43,463
Income tax benefit (expense)	0
Net income (loss)	(3,441)		(5,947)			43,463
Preferred stock dividends	0		0			0
Net income (loss) attributable to common shareholders	$ (3,441)		$ (5,947)			$ 43,463
Net income (loss) per share:
Basic (in dollars per share)	$ (0.23)		$ (0.40)			$ 2.90
Diluted (in dollars per share)	$ (0.23)		$ (0.40)			$ 2.89
Weighted average shares outstanding – basic (in shares)	14,992		14,994			14,993
Weighted average shares outstanding – diluted (in shares)	14,992		14,994			15,062
Predecessor [Member]
Revenues
Crude oil		$ 23,392		$ 81,377
Natural gas liquids		1,680		6,064
Natural gas		1,889		6,208
Gain on sales of assets, net		504		1,261
Other, net		(804)		(600)
Total revenues		26,661		94,310
Operating expenses
Lease operating		4,209		15,626
Gathering, processing and transportation		4,767		13,235
Production and ad valorem taxes		574		3,490
General and administrative		6,895		38,945
Exploration		4,641		10,288
Depreciation, depletion and amortization		8,024		33,582
Total operating expenses		29,110		115,166
Operating income (loss)		(2,449)		(20,856)
Other income (expense)
Interest expense		(1,363)		(58,018)
Derivatives		8,934		(8,333)
Other, net		(2,154)		(3,184)
Reorganization items, net		1,152,373		1,144,993
Income (loss) before income taxes		1,155,341		1,054,602
Income tax benefit (expense)		0		0
Net income (loss)		1,155,341		1,054,602
Preferred stock dividends		0		(5,972)	[1]
Net income (loss) attributable to common shareholders		$ 1,155,341		$ 1,048,630
Net income (loss) per share:
Basic (in dollars per share)		$ 12.94		$ 11.91
Diluted (in dollars per share)		$ 10.37		$ 8.50
Weighted average shares outstanding – basic (in shares)		89,292		88,013
Weighted average shares outstanding – diluted (in shares)		111,458		124,087

[1] 1 Dividends attributable to our Series A 6% Convertible Perpetual Preferred Stock and Series B 6% Convertible Perpetual Preferred Stock (together, the “Series A and B Preferred Stock”) were excluded from the computation of diluted loss per share for the period from January 1, 2016 through September 12, 2016, as their assumed conversion would have been anti-dilutive.