Income Taxes - Income Tax Rate Reconciliation (Detail)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Federal statutory tax rate	21.00%	21.00%	21.00%
State income taxes, net of Federal income tax benefit	6.00%	6.00%	6.00%
Nondeductible expenses	1.00%	3.00%	4.00%
Research credit, Federal benefit	(1.00%)	(3.00%)	(2.00%)
Stock-based compensation	(4.00%)	0.00%	(1.00%)
Uncertain Tax Position	0.00%	1.00%	0.00%
Effective income tax rate	23.00%	28.00%	28.00%