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Equity Incentive Plan - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]    
Number of shares, Beginning balance 9,208,970  
Number of shares, Stock options granted 6,749,824  
Number of shares, Stock options exercised (382,122)  
Number of shares, Stock options forfeited (981,952)  
Number of shares, Ending balance 14,594,720 9,208,970
Number of shares, Vested and Exercisable 6,813,637  
Weighted- average exercise price per share, Beginning balance $ 10.31  
Weighted- average exercise price per share, Stock options granted 5.73  
Weighted- average exercise price per share, Stock options exercised 3.22  
Weighted- average exercise price per share, Stock options forfeited 11.55  
Weighted- average exercise price per share, Ending balance 8.29 $ 10.31
Weighted- average exercise price per share, Exercisable $ 11.06  
Weighted- average remaining contractual term 7 years 11 months 8 days 7 years 6 months 10 days
Weighted- average remaining contractual term, Exercisable 6 years 6 months 29 days  
Aggregate intrinsic value $ 4,059 $ 2,930
Aggregate intrinsic value, Exercisable $ 2,194