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Accounts Receivable - Summary of Accounts Receivable (Details) - Successor - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Oct. 01, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Oil, natural gas and NGL sales $ 34,570 $ 42,631  
Joint interest billing 26,496 17,338  
Oil and natural gas services 639 736  
Other 10,846 14,272  
Total accounts receivable 72,551 74,977  
Less: allowance for doubtful accounts (1,274) (880) $ 0
Total accounts receivable, net $ 71,277 $ 74,097