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Accounts Receivable - Summary of Accounts Receivable (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Oct. 02, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Oil, natural gas and NGL sales $ 31,780 $ 35,301    
Joint interest billing 13,083 29,505    
Oil and natural gas services 604 639    
Other 1,331 7,106    
Total accounts receivable 46,798 72,551    
Less: allowance for doubtful accounts (1,295) (1,274)    
Total accounts receivable, net 45,503 71,277    
Successor        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Less: allowance for doubtful accounts $ (1,295) $ (1,274) $ (880) $ 0