Oil and Natural Gas Properties - Schedule of Capitalized Costs, Impairment, and Depreciation (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties	$ 0	$ 100,000	$ 0	$ 60,433,000
Goodwill			$ 0	17,620,000
Operating Segments | Eagle Ford Trend
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				36,994,000
Goodwill				0
Operating Segments | Midland Basin
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				5,819,000
Goodwill				0
Corporate
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				17,620,000
Goodwill				17,620,000
Proved properties
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				25,252,000
Proved properties | Operating Segments | Eagle Ford Trend
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				25,252,000
Proved properties | Operating Segments | Midland Basin
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				0
Proved properties | Corporate
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				0
Unproved properties
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				11,311,000
Unproved properties | Operating Segments | Eagle Ford Trend
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				11,311,000
Unproved properties | Operating Segments | Midland Basin
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				0
Unproved properties | Corporate
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				0
Acreage Expirations
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				6,250,000
Acreage Expirations | Operating Segments | Eagle Ford Trend
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				431,000
Acreage Expirations | Operating Segments | Midland Basin
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				5,819,000
Acreage Expirations | Corporate
Oil And Natural Gas Properties [Line Items]
Impairment of oil and gas properties				$ 0