Income Taxes - Reconciliation of the Federal Statutory Tax Rate to Total Provisions (Detail)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Taxes computed at statutory rate	21.00%	21.00%	21.00%
State income taxes, net of federal income tax benefit	1.79%	2.14%	1.41%
Federal research credit	(1.55%)	(0.51%)	(0.10%)
Equity in losses of foreign joint venture	0.00%	0.17%	0.11%
Foreign rate differential	(0.10%)	0.10%	0.00%
Foreign valuation allowance	1.13%	0.08%	0.00%
Noncontrolling interests	(2.33%)	(1.27%)	(0.85%)
Other, net	0.15%	(0.03%)	(0.44%)
Provision for income taxes	20.09%	21.68%	21.13%