Income Taxes - Components of Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. income (loss)	$ 126,552	$ 85,234	$ (20,555)
Non-U.S. income	57,183	77,101	50,330
Income before income taxes	183,735	162,335	29,775
Current
Federal	13,770	13,574	22,272
State	5,436	4,265	813
Non-U.S.	25,608	23,446	11,054
Total current provision	44,814	41,285	34,139
Deferred
Federal	5,744	291	(26,931)
State	1,346	(1,604)	(3,630)
Non-U.S.	(5,818)	(2,752)	(759)
Total deferred provision (benefit)	1,272	(4,065)	(31,320)
Provision for income taxes	$ 46,086	$ 37,220	$ 2,819