Supplemental Oil and Gas Disclosures - Capitalized Costs (Details) - USD ($) $ in Thousands	2 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Capitalized Costs, Net
Proved properties	$ 573,150
Unproved properties not being amortized	65,080
Gross capitalized costs	638,230
Less: Accumulated depreciation, depletion, amortization and impairment	(12,587)
Net capitalized costs	625,643
Mississippian Lime area
Capitalized Costs, Net
Unproved properties not being amortized	65,100
Capitalized interest	$ 700
Maximum period considered for depletion (in years)	10 years
Predecessor
Capitalized Costs, Net
Proved properties		$ 3,666,403
Gross capitalized costs		3,666,403
Less: Accumulated depreciation, depletion, amortization and impairment		(3,148,240)
Net capitalized costs		$ 518,163