Summary of Significant Accounting Policies - Summary of Accrued Expenses (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accrued Liabilities, Current [Abstract]
Accrued interest payable	$ 39,501	$ 35,461
Accrued drilling costs	42,193	17,920
Accrued transportation costs	26,907	4,632
Accrued transaction costs	10,830
Accrued employee compensation	8,653	6,045
Accrued lease operating expenses	4,990	2,130
Other	4,092	1,898
Total accrued expenses	$ 137,166	$ 68,086