Income Taxes (Components of Provision for Income Taxes) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 18,291	$ 8,069	$ 5,477
State	1,204	1,334	709
Foreign	1,684	3,883	2,032
Total Current	21,179	13,286	8,218
Deferred:
Federal	1,583	(42)	1,609
State	1,696	(1,626)	(1,144)
Foreign	306	191	504
Total Deferred	3,585	(1,477)	969
Provision for income taxes	$ 24,764	$ 11,809	$ 9,187