Other Income (Expense), Net - Schedule of Other Income (Expense), Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Income and Expenses [Abstract]
Foreign currency (losses) gains	$ (628)	$ 82	$ (989)	$ (311)
Tax indemnification income	439	359	1,216	163
Other income	6		7
Total other income (expense), net	$ (183)	$ 441	$ 234	$ (148)