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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 21.00% 21.00% 21.00%
State taxes, net of federal benefit 6.90% 7.30% 5.20%
Federal and state research and development tax credits (0.30%) 2.30% 5.60%
Nondeductible items (0.30%) 2.80% (2.00%)
Stock-based compensation (5.80%) (16.00%) 10.90%
Deferred taxes on acquisition 2.50% 11.40%
Other 1.40% 0.00% 0.40%
Change in valuation allowance (24.00%) (19.90%) (41.10%)
Effective income tax rate (1.10%) 0.00% 11.40%