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Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accounts payable and other accrued expenses $ 65,267 $ 78,219
Payroll and benefits 10,943 12,891
Production payable 11,881 12,767
Taxes payable 6,709 5,350
Drilling advances 811 2,031
Accrued interest 123 539
Total accounts payable and accrued expenses $ 95,734 $ 111,797