v3.26.3
Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]      
Number of Options, Outstanding 9,407,851    
Number of Options, Granted 2,973,500    
Number of Options, Exercised (1,241,847)    
Number of Options, Cancelled or forfeited (244,654)    
Number of Options, Outstanding 10,894,850   9,407,851
Number of Options, Options exercisable 5,640,642    
Number of Options, Options unvested 5,254,208    
Weighted average grant-date fair value of options granted during the period $ 12.14    
Weighted-Average Exercise Price, Outstanding 11.93    
Weighted-Average Exercise Price, Granted 14.54    
Weighted-Average Exercise Price, Exercised 7.95    
Weighted-Average Exercise Price, Cancelled or forfeited 11.75    
Weighted-Average Exercise Price, Outstanding 13.1   $ 11.93
Weighted-Average Exercise Price, Options exercisable 14.91    
Weighted-Average Exercise Price, Options unvested $ 11.16    
Weighted- Average Remaining Contractual Term (in years), Outstanding 7 years 6 months   7 years 2 months 12 days
Weighted- Average Remaining Contractual Term (in years), Options exercisable 6 years 4 months 24 days    
Weighted- Average Remaining Contractual Term (in years), Options unvested 8 years 9 months 18 days    
Aggregate Intrinsic Value, Outstanding $ 42,967    
Aggregate Intrinsic Value, Exercised 16,751 $ 900  
Aggregate Intrinsic Value, Outstanding 177,943   $ 42,967
Aggregate Intrinsic Value, Options exercisable 83,089    
Aggregate Intrinsic Value, Options unvested $ 94,854