Income Taxes - Reconciliation of Statutory U.S. Federal Rate and Tax Effective Rates (Detail)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State income tax, net of federal benefit	2.90%	3.00%	3.60%
State credit carryforwards	0.00%	(0.20%)	1.20%
U.S. federal R&D tax credit	(1.60%)	(1.80%)	(1.80%)
Non-deductible equity compensation	1.40%	1.10%	1.10%
Excess benefit of equity compensation	(4.90%)	(3.20%)	(4.80%)
Employee compensation limitation	2.80%	3.40%	3.70%
Global Intangible Low Taxed Income (GILTI)	0.10%	0.10%	0.10%
Foreign-derived intangible income (FDII) deduction	(3.50%)	(3.60%)	(3.30%)
Foreign operations	(0.20%)	(2.90%)	0.50%
Tax contingencies	(0.20%)	(0.30%)	(1.30%)
Other permanent differences	0.40%	0.70%	(0.30%)
Change in valuation allowance	0.00%	0.10%	(1.30%)
Income taxes	18.20%	17.40%	18.40%