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Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Payables and Accruals [Abstract]    
Accounts payable and other accrued expenses $ 89,909 $ 78,219
Payroll and benefits 10,712 12,891
Production payable 12,972 12,767
Taxes payable 4,569 5,350
Drilling advances 724 2,031
Accrued interest 550 539
Total accounts payable and accrued expenses $ 119,436 $ 111,797