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Related Party Transactions (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Related Party Transaction [Line Items]      
Total cash consideration   $ 4,184 $ 5,965
Flatonia Energy, LLC      
Related Party Transaction [Line Items]      
Payments made to related party   15,300 12,400
Payments received from related party   6,400 6,100
Amounts receivable due from related party   600 800
Amounts payable due to related party   $ 1,100 $ 1,600
Flatonia Energy, LLC | Class A Common Stock      
Related Party Transaction [Line Items]      
Percentage of common stock acquired   7.00%  
Flatonia Energy, LLC | Class A and Class B Common Stock      
Related Party Transaction [Line Items]      
Percentage of common stock acquired   3.20%  
Non-core Properties | Martin County      
Related Party Transaction [Line Items]      
Total cash consideration $ 3,600