Other Income, Net - Schedule of Other Income, Net (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 gains (losses)	$ 256	$ 18	$ 19	$ (360)
Tax indemnification income	140	781	436	777
Other income (expense)		1	(1)
Total other income, net	$ 396	$ 800	$ 454	$ 417