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Accounts Payable and Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accounts payable and other accrued expenses $ 78,219 $ 90,423
Payroll and benefits 12,891 21,475
Production payable 12,767 18,059
Taxes payable 5,350 3,983
Drilling advances 2,031 3,830
Accrued interest 539 1,385
Total accounts payable and accrued expenses $ 111,797 $ 139,155