Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	4 Months Ended	6 Months Ended
	Apr. 22, 2016	Jun. 30, 2016	Jun. 30, 2015	Apr. 22, 2016	Jun. 30, 2015
Successor [Member]
Revenues:
Oil and gas sales		$ 30,581
Price-risk management and other, net		(9,928)
Total Revenues		20,653
Costs and Expenses:
General and administrative, net		4,228
Depreciation, depletion, and amortization		13,334
Accretion of asset retirement obligation		832
Lease operating cost		7,781
Transportation and gas processing		4,186
Severance and other taxes		1,864
Interest expense, net		4,257
Write-down of oil and gas properties		133,496
(Gain) Loss on Reorganization items, net		276
Total Costs and Expenses, Net of Gains		170,254
Income (Loss) Before Income Taxes		(149,601)
Provision (Benefit) for Income Taxes		0
Net Income (Loss)		$ (149,601)
Per Share Amounts-
Earnings Per Share (Basic)		$ (14.96)
Earnings Per Share (Diluted)		$ (14.96)
Weighted Average Shares Outstanding - Basic		10,000
Weighted Average Shares Outstanding - Diluted		10,000
Predecessor [Member]
Revenues:
Oil and gas sales	$ 8,660		$ 68,281	$ 43,027	$ 135,639
Price-risk management and other, net	(150)		(2,112)	(245)	(1,133)
Total Revenues	8,510		66,169	42,782	134,506
Costs and Expenses:
General and administrative, net	1,127		10,290	9,245	22,846
Depreciation, depletion, and amortization	3,194		42,088	20,439	102,786
Accretion of asset retirement obligation	319		1,381	1,610	2,746
Lease operating cost	2,627		17,164	14,933	36,198
Transportation and gas processing	1,035		5,086	6,090	10,409
Severance and other taxes	1,585		4,424	3,917	9,556
Interest expense, net	5,281		18,741	13,347	36,969
Write-down of oil and gas properties	0		260,504	77,732	763,073
(Gain) Loss on Reorganization items, net	(966,571)		0	(956,142)	0
Total Costs and Expenses, Net of Gains	(951,403)		359,678	(808,829)	984,583
Income (Loss) Before Income Taxes	959,913		(293,509)	851,611	(850,077)
Provision (Benefit) for Income Taxes	0		(642)	0	(80,133)
Net Income (Loss)	$ 959,913		$ (292,867)	$ 851,611	$ (769,944)
Per Share Amounts-
Earnings Per Share (Basic)	$ 21.45		$ (6.58)	$ 19.06	$ (17.35)
Earnings Per Share (Diluted)	$ 21.03		$ (6.58)	$ 18.64	$ (17.35)
Weighted Average Shares Outstanding - Basic	44,754		44,516	44,692	44,374
Weighted Average Shares Outstanding - Diluted	45,648		44,516	45,697	44,374