Income Taxes - Reconciliation of Income Taxes Computed Using U.S Federal Statutory Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal statutory tax	21.00%	21.00%	21.00%
State income tax, net of federal benefit	(6.31%)	15.38%	13.49%
Valuation allowance	(18.00%)	(45.30%)	(43.69%)
Success payment liabilities	0.55%	0.58%	5.40%
Contingent consideration	0.05%	3.02%	0.26%
Tax credits	3.83%	6.59%	4.93%
Other	(1.12%)	(1.27%)	(1.39%)
Effective income tax rate	0.00%	0.00%	0.00%