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Debt - Schedule of Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Debt Disclosure [Abstract]    
Term loan $ 158,813 $ 165,000
Less unamortized discount (466) (534)
Less unamortized term loan debt issuance costs (718) (824)
Less current portion of long-term debt (14,438) (12,375)
Long-term debt, net, less current portion $ 143,191 $ 151,267