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Fair Value Measurements - Schedule of Contingent Consideration Roll Forward (Details) - Contingent Consideration - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period $ 10,403 $ 0
Issuance of contingent consideration in connection with acquisition   10,587
Change in fair value of contingent consideration (7,602) 132
Effect of foreign currency translation (270) (316)
End of period $ 2,531 $ 10,403