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Business Combinations and Divestitures - Allocation Schedule (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 14, 2021
Dec. 31, 2020
Business Acquisition [Line Items]      
Evaluated (subject to amortization) $ 6,007,325   $ 5,295,931
Total unproved and unevaluated 964,714   902,133
Advances from joint interest owners (18,074)   $ (4,191)
Properties in Lea and Eddy, NM      
Business Acquisition [Line Items]      
Cash   $ 161,680  
Fair value of contingent consideration at December 14, 2021 $ 1,500 6,718  
Total consideration given   174,898  
Evaluated (subject to amortization)   139,312  
Total unproved and unevaluated   43,204  
Contingent consideration related to business combination   (360)  
Advances from joint interest owners   (6,865)  
Asset retirement obligations   $ (393)