Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Bonus payable	$ 2,353	$ 3,244
Accrued interest	14,063	14,063
Accrued well costs	8,932	9,026
Other	1,557	1,795
Total accrued liabilities	$ 26,905	$ 28,128