Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Summary Of Significant Accounting Polices [Line Items]
Depreciation, depletion, and amortization	$ 109,584	$ 122,653	$ 114,534
Amortization of Debt Issuance Costs	1,000	900	900
Oil and Natural Gas Properties
Summary Of Significant Accounting Polices [Line Items]
Depreciation, depletion, and amortization	109,000	122,500	114,300
Proved Oil And Gas Properties
Summary Of Significant Accounting Polices [Line Items]
Impairment of oil and natural gas properties	0	0	0
Unproved Oil And Natural Gas Properties
Summary Of Significant Accounting Polices [Line Items]
Impairment of oil and natural gas properties	0	0	0
Other Property and Equipment
Summary Of Significant Accounting Polices [Line Items]
Depreciation, depletion, and amortization	$ 600	$ 200	$ 200
Other Property and Equipment | Minimum
Summary Of Significant Accounting Polices [Line Items]
Other property and equipment, expected useful lives	3 years
Other Property and Equipment | Maximum
Summary Of Significant Accounting Polices [Line Items]
Other property and equipment, expected useful lives	7 years