Other Income (Expense), Net - Components of Other Income Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other Income and Expenses [Abstract]
Foreign currency loss	$ (1,530)	$ (1,541)	$ (1,368)	$ (3,935)
Other miscellaneous income (expense)	301	(346)	293	(818)
Total other expense, net	$ (1,229)	$ (1,887)	$ (1,075)	$ (4,753)