Income Taxes - Components of Provision for Income Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current income tax expense:
U.S. federal	$ 48,440	$ 3,232	$ 1,727
International	65,720	41,855	50,731
State and local	15,554	17,209	9,424
Total current income tax expense	129,714	62,296	61,882
Deferred income tax expense (benefit):
U.S. federal	(2,464)	(208)	(317)
International	3,208	12,429	1,765
Total deferred income tax expense	744	12,221	1,448
Total income tax expense	$ 130,458	$ 74,517	$ 63,330