Summary of Significant Accounting Policies - Summary of Current Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accrued Liabilities Current [Abstract]
Accrued interest payable	$ 46,417	$ 23,192
Accrued lease operating expense	10,411	16,843
Accrued capital expenditures	1,826	8,110
Accrued general and administrative expenses	3,040	1,961
Accrued ad valorem tax	977	1,426
Asset retirement obligation	789	1,175	$ 0
Environmental liability	0	216
Other	1,775	0
Accrued liabilities, Total	$ 65,235	$ 52,923