Income Taxes - Schedule of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Current:
Federal	$ 7,766	$ 6,524
State and local	2,910	1,393
Foreign	3,447	2,771
Total current provision	14,123	10,688
Deferred:
Federal	1,905	1,602
State and local	352	249
Foreign	506	159
Total deferred provision	2,763	2,010
Provision for income taxes	$ 16,886	$ 12,698
Effective tax rate	18.40%	19.50%