Income Taxes - Schedule of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current
Federal	$ 22,109	$ 26,240	$ 10,655
State	1,063	1,218	1,843
Foreign	22,067	16,458	21,496
Deferred
Federal	1,828	6,410	17,528
State	904	281	40
Foreign	6,350	(9,389)	(8,752)
Income tax provision	$ 54,321	$ 41,218	$ 42,810