Impairments (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2016	Sep. 12, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Successor [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments	$ 0		$ 0
Impairment of Long-Lived Assets Held-for-use	0		0
Other Asset Impairment Charges	$ 0		$ 0
Predecessor [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairments		$ 0			$ 1,397,424
Impairment of Long-Lived Assets Held-for-use		0		$ 1,396,340
Other Asset Impairment Charges		$ 0		$ 1,084
Predecessor [Member] | Eagle Ford Shale, Lavaca County [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of Long-Lived Assets Held-for-use					1,400,000
Predecessor [Member] | Tubular Goods
Impaired Long-Lived Assets Held and Used [Line Items]
Other Asset Impairment Charges					1,100
Predecessor [Member] | Fair Value, Measurements, Nonrecurring
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of Long-Lived Assets Held-for-use					$ 312,000