v3.26.3
Stock-Based Compensation - Stock Options with Service-based Vesting Conditions (Details) - Service Based Options
$ / shares in Units, $ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Number of shares    
Balance, beginning of period (in shares) | shares 4,591,257  
Granted (in shares) | shares 1,876,546  
Exercised (in shares) | shares (1,067,702)  
Cancelled (in shares) | shares (29,280)  
Expired (in shares) | shares (346)  
Balance, end of period (in shares) | shares 5,370,475 4,591,257
Exercisable (in shares) | shares 1,165,693  
Weighted average exercise price per share    
Balance, beginning of period (in dollars per share) $ 13.20  
Granted (in dollars per share) 17.06  
Exercised (in dollars per share) 9.32  
Cancelled (in dollars per share) 9.27  
Expired (in dollars per share) 2,190.95  
Balance, end of period (in dollars per share) 15.20 $ 13.20
Exercisable (in dollars per share) 22.76  
Weighted average grant date fair value per share    
Balance, beginning of period (in dollars per share) 10.46  
Granted (in dollars per share) 14.48  
Exercised (in dollars per share) 7.92  
Cancelled (in dollars per share) 7.76  
Expired (in dollars per share) 1,394.1  
Balance, end of period (in dollars per share) 12.30 $ 10.46
Exercisable (in dollars per share) $ 16.55  
Weighted average remaining contractual term/ Aggregate Intrinsic Value    
Weighted average remaining contractual term 8 years 8 months 12 days 8 years 6 months
Exercisable 8 years 1 month 6 days  
Aggregate Intrinsic Value | $ $ 20.7 $ 39.9
Exercised, Aggregate Intrinsic Value | $ 9.6  
Cancelled, Aggregate Intrinsic Value | $ 0.2  
Exercisable, Aggregate Intrinsic Value | $ $ 7.6