Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		4 Months Ended	5 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Apr. 22, 2016	Sep. 30, 2016	Sep. 30, 2015
Successor [Member]
Revenues:
Oil and gas sales	$ 47,959			$ 78,540
Price-risk management and other, net	2,632			(7,296)
Total Revenues	50,591			71,244
Costs and Expenses:
General and administrative, net	11,691			15,919
Depreciation, depletion, and amortization	13,287			26,621
Accretion of asset retirement obligation	1,099			1,931
Lease operating cost	9,481			17,262
Transportation and gas processing	4,883			9,069
Severance and other taxes	2,683			4,547
Interest expense, net	5,880			10,137
Write-down of oil and gas properties	0			133,496
(Gain) Loss on Reorganization items, net	1,193			1,469
Total Costs and Expenses, Net of Gains	50,197			220,451
Income (Loss) Before Income Taxes	394			(149,207)
Provision (Benefit) for Income Taxes	0			0
Net Income (Loss)	$ 394			$ (149,207)
Per Share Amounts-
Earnings Per Share (Basic)	$ 0.04			$ (14.92)
Earnings Per Share (Diluted)	$ 0.04			$ (14.92)
Weighted Average Shares Outstanding - Basic	10,000			10,000
Weighted Average Shares Outstanding - Diluted	10,361			10,000
Predecessor [Member]
Revenues:
Oil and gas sales		$ 60,024	$ 43,027		$ 195,663
Price-risk management and other, net		92	(245)		(1,041)
Total Revenues		60,116	42,782		194,622
Costs and Expenses:
General and administrative, net		8,679	9,245		31,525
Depreciation, depletion, and amortization		35,606	20,439		138,392
Accretion of asset retirement obligation		1,410	1,610		4,156
Lease operating cost		17,990	14,933		54,188
Transportation and gas processing		5,446	6,090		15,855
Severance and other taxes		4,613	3,917		14,169
Interest expense, net		19,438	13,347		56,407
Write-down of oil and gas properties		321,522	77,732		1,084,595
(Gain) Loss on Reorganization items, net		0	(956,142)		0
Total Costs and Expenses, Net of Gains		414,704	(808,829)		1,399,287
Income (Loss) Before Income Taxes		(354,588)	851,611		(1,204,665)
Provision (Benefit) for Income Taxes		0	0		(80,133)
Net Income (Loss)		$ (354,588)	$ 851,611		$ (1,124,532)
Per Share Amounts-
Earnings Per Share (Basic)		$ (7.96)	$ 19.06		$ (25.31)
Earnings Per Share (Diluted)		$ (7.96)	$ 18.64		$ (25.31)
Weighted Average Shares Outstanding - Basic		44,546	44,692		44,431
Weighted Average Shares Outstanding - Diluted		44,546	45,697		44,431