v3.26.3
Equity Incentive Plans - Summary of Company Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Number of Shares 3,063,476  
Number of Shares, Forfeited/cancelled (61,700)  
Number of Shares, Exercised/released (131,512)  
Number of Shares 2,870,264 3,063,476
Number of Shares Vested and exercisable as of June 30, 2026 2,809,717  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Weighted Average Exercise Price    
Weighted-Average Exercise Price $ 10.88  
Weighted-Average Exercise Price, Forfeited/cancelled 10.88  
Weighted-Average Exercise Price, Exercised/released 1.69  
Weighted-Average Exercise Price 11.3 $ 10.88
Vested and exercisable as of June 30, 2026 $ 11.38  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term    
Weighted Average Remaining Contractual Term 4 years 8 months 12 days 5 years 6 months
Weighted average contractual term, vested and exercisable 4 years 7 months 6 days  
Aggregate Intrinsic Value $ 3,124 $ 3,315
Aggregate Intrinsic Value, Vested and exercisable as of June 30, 2026 $ 3,008