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Certain Balance Sheet Accounts - Summary of Accrued Expenses and Other Current Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Payables And Accruals [Abstract]    
Payroll and related benefits $ 29,902 $ 24,038
Taxes 2,564 2,050
Other 8,786 10,129
Total $ 41,252 $ 36,217