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Oil and Natural Gas Properties - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Oil And Natural Gas Properties [Line Items]            
Impairment expense $ 2,000,000 $ 2,100,000 $ 42,800,000 $ 0   $ 0
Accumulated impairments to proved and unproved oil and natural gas properties $ 168,000,000     168,000,000 $ 168,000,000  
Proved Oil and Natural Gas Properties            
Oil And Natural Gas Properties [Line Items]            
Depletion expenses       $ 105,700,000 95,900,000 $ 68,500,000
Impairment expense         25,300,000  
Unproved Oil and Gas Properties            
Oil And Natural Gas Properties [Line Items]            
Impairment expense         8,400,000  
Unproved Oil and Gas Properties | Minimum            
Oil And Natural Gas Properties [Line Items]            
Unproved oil and gas lease term       3 years    
Unproved Oil and Gas Properties | Maximum            
Oil And Natural Gas Properties [Line Items]            
Unproved oil and gas lease term       5 years    
Unproved Oil and Gas Properties | Eagle Ford Trend Properties            
Oil And Natural Gas Properties [Line Items]            
Impairment expense         $ 13,200,000