v3.26.3
Stock-Based Compensation - Stock Options (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Number of Shares    
Balance outstanding at beginning of year (in shares) | shares 10,675,615  
Granted (in shares) | shares 2,426,150  
Exercised (in shares) | shares (712,572)  
Forfeited or cancelled (in shares) | shares (721,713)  
Balance outstanding at end of year (in shares) | shares 11,667,480 10,675,615
Options vested and exercisable at end of year (in shares) | shares 4,840,264  
Options vested and expected to vest end of year (in shares) | shares 11,667,480  
Weighted - Average Exercise Price    
Balance outstanding at beginning of year (in dollars per share) | $ / shares $ 13.46  
Granted (in dollars per share) | $ / shares 19.97  
Exercised (in dollars per share) | $ / shares 12.74  
Forfeited or cancelled (in dollars per share) | $ / shares 14.73  
Balance outstanding at end of year (in dollars per share) | $ / shares 14.78 $ 13.46
Options vested and exercisable at end of year (in dollars per share) | $ / shares 12.41  
Options vested and expected to vest at end of year (in dollars per share) | $ / shares $ 14.78  
Weighted-Average Remaining Contractual Term (In years)    
Balance outstanding at end of year (in years) 8 years 1 month 13 days 8 years 7 months 6 days
Options vested and exercisable at end of year (in years) 7 years 4 months 2 days  
Options vested and expected to vest at end of year (in years) 8 years 1 month 13 days  
Aggregate Intrinsic Value    
Balance at beginning of year | $ $ 243,979  
Exercised | $ 12,778  
Balance outstanding at end of year | $ 144,554 $ 243,979
Options vested and exercisable at end of year | $ 70,464  
Options vested and expected to vest at end of year | $ 144,554  
Employee Stock Option    
Aggregate Intrinsic Value    
Unrecognized compensation cost related to unvested stock options | $ $ 95,600  
Weighted average period over which unrecognized compensation cost is expected to be recognized 2 years 9 months 18 days