XML 41 R57.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Accounts Receivable - Summary of Accounts Receivable (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Receivables [Abstract]        
Oil, natural gas and NGL sales $ 22,281 $ 31,780    
Joint interest billing 5,165 13,083    
Other 2,315 1,935    
Total accounts receivable 29,761 46,798    
Less: allowance for doubtful accounts (1,117) (1,295) $ (1,274) $ (880)
Total accounts receivable, net $ 28,644 $ 45,503