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Accounts Payable and Other Accrued Liabilities - Schedule of Accounts Payable and Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accounts payable $ 22,900 $ 21,591
Accrued liabilities 15,706 13,282
Total Accounts payable and other accrued liabilities $ 38,606 $ 34,873