v3.26.1
Stock-Based Compensation - Schedule of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Number of shares    
Outstanding as at beginning of period (in shares) 14,429,539  
Granted (in shares) 3,502,128  
Exercised (in shares) (747,767)  
Forfeited (in shares) (134,005)  
Outstanding as at end of period (in shares) 17,049,895 14,429,539
Options vested and exercisable as at end of period (in shares) 8,051,649  
Options expected to vest as at end of period (in shares) 8,998,246  
Weighted Average Exercise Price    
Outstanding as at beginning of period (in dollars per share) $ 8.89  
Granted (in dollars per share) 25.53  
Exercised (in dollars per share) 5.51  
Forfeited (in dollars per share) 10.14  
Outstanding at end of period (in dollars per share) 12.45 $ 8.89
Options vested and exercisable as at end of period (in dollars per share) 10.08  
Options expected to vest as at end of period (in dollars per share) $ 14.56  
Weighted Average Remaining Contractual Life    
Weighted average remaining contractual life of outstanding options (in years) 7 years 8 months 12 days 7 years 4 months 24 days
Weighted Average Remaining Contractual Life of vested and exercisable options (in years) 6 years 2 months 4 days  
Weighted Average Remaining Contractual Life of expected to vest options (in years) 9 years 21 days  
Intrinsic value of outstanding options $ 91,891 $ 235,660
Intrinsic Value of vested and exercisable options 50,615  
Intrinsic Value of expected to vest options $ 41,276  
Market-based Stock Options [Member]    
Number of shares    
Outstanding as at beginning of period (in shares) 0  
Granted (in shares) 668,750  
Outstanding as at end of period (in shares)   0
Outstanding and exercisable as at end of period (in shares) 668,750  
Weighted Average Exercise Price    
Outstanding as at beginning of period (in dollars per share) $ 0  
Granted (in dollars per share) 25.65  
Outstanding at end of period (in dollars per share)   $ 0
Outstanding and exercisable at end of period (in dollars per share) $ 25.65  
Weighted Average Remaining Contractual Life    
Weighted average remaining contractual life of granted options (in years) 9 years 10 months 6 days  
Weighted average remaining contractual life of Outstanding and exercisable options ( in years) 9 years 10 months 6 days