Accumulated Other Comprehensive Income - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Equity [Abstract]
Other comprehensive income (loss) due to foreign currency translations	$ 21,900	$ 17,700	$ 3,900
Change in fair value of interest rate hedge	$ (2,584)	$ (431)