Supplemental Disclosures to the Consolidated Balance Sheet and Condensed Statement of Cash Flows - Summary of Current Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	May 04, 2017
Accrued Liabilities Current [Abstract]
Accrued lease operating expense	$ 11,794	$ 10,469
Accrued capital expenditures	5,515	4,349
Accrued general and administrative expense	3,126	4,393
Operating lease liability	1,712	0
Asset retirement obligations	623	477	$ 713
Accrued ad valorem tax	520	729
Accrued interest payable	36	2,476
Other	32	262
Accrued liabilities	$ 23,358	$ 23,155		$ 38,180