Property Acquisitions and Dispositions - Acquisitions, Narrative (Details) $ in Thousands				1 Months Ended
	Jun. 03, 2016 USD ($)	Sep. 03, 2015 USD ($) a	Sep. 01, 2015 USD ($)	Dec. 31, 2016 USD ($) a Wells	Jun. 30, 2016 USD ($) a Wells	May 31, 2016 USD ($) a	Jun. 30, 2014 USD ($) a	Dec. 31, 2015 USD ($)
Successor
Business Acquisition [Line Items]
Payable to Silverback				$ 32,293
Successor | Undeveloped Acreage and Oil and Gas Producing Properties From Silverback Exploration, LLC
Business Acquisition [Line Items]
Consideration				855,000
Proved oil and natural gas properties				116,700
Payable to Silverback				$ 32,300
Number of horizontal wells acquired (in wells) | Wells				31
Gas and oil area, area offset by existing acreage (in acres) | a				35,500
Gas and oil area, acreage subject to consents to assign (in acres) | a				1,250
Gas and oil area, operated by company, percent				90.00%
Gas and oil area, working interest, percent				90.00%
Predecessor
Business Acquisition [Line Items]
Payable to Silverback								$ 0
Predecessor | Unproved And Proved Properties In The Delaware Basin
Business Acquisition [Line Items]
Proved oil and natural gas properties	$ 15,374				$ 15,400
Number of horizontal wells acquired (in wells) | Wells					4
Cash consideration	$ 32,979				$ 33,000
Net acres acquired | a					1,580
Predecessor | Unproved Acreage From Caird DB, LLC
Business Acquisition [Line Items]
Consideration						$ 9,800
Net acres acquired | a						875
Predecessor | Proved and Unproved Oil and Natural gas Properties in Delaware Basin
Business Acquisition [Line Items]
Proved oil and natural gas properties			$ 7,731
Cash consideration			$ 16,006
Predecessor | Non-Operated Interest in Delaware Basin
Business Acquisition [Line Items]
Proved oil and natural gas properties		$ 6,491
Cash consideration		$ 6,369					$ 11,000
Net acres acquired | a		1,804					2,400