Supplemental Information About Oil & Natural Gas Producing Activities (Unaudited) - Results of Oil and Gas Producing Activities (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2016	Oct. 10, 2016	Dec. 31, 2015	Dec. 31, 2014
Successor
Results of Operations, Revenue from Oil and Gas Producing Activities [Abstract]
Oil, natural gas and NGL sales	$ 29,717
Costs:
Lease operating expenses	3,541
Severance and ad valorem taxes	1,636
Transportation, processing, gathering and other operating expenses	2,187
Depletion, amortization and accretion of asset retirement obligations	14,486
Abandonment expense and impairment of unproved properties	0
Exploration	844
Contract termination and rig stacking	0
Income tax expense (benefit)	0
Results of operations	$ 7,023
Predecessor
Results of Operations, Revenue from Oil and Gas Producing Activities [Abstract]
Oil, natural gas and NGL sales		$ 69,116	$ 90,460	$ 131,825
Costs:
Lease operating expenses		11,036	21,173	17,690
Severance and ad valorem taxes		3,696	5,021	6,875
Transportation, processing, gathering and other operating expenses		4,583	5,732	4,772
Depletion, amortization and accretion of asset retirement obligations		62,228	89,350	68,981
Abandonment expense and impairment of unproved properties		2,545	7,619	20,025
Exploration		0	84	0
Contract termination and rig stacking		0	2,387	0
Income tax expense (benefit)		(406)	(572)	1,524
Results of operations		$ (14,566)	$ (40,334)	$ 11,958