Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts Payable and Accrued Liabilities, Current [Abstract]
Drilling and lease operating cost accruals	$ 96,925	$ 139,711
Trade accounts payable	52,094	56,047
Revenue and severance tax payable	109,847	94,806
Property taxes	24,535	18,694
Compensation	41,540	31,486
Derivative settlements	5,851	1,287
Interest	44,175	40,840
Other	27,041	20,328
Total accounts payable and accrued expenses	$ 402,008	$ 403,199