v3.26.1
Share-Based Compensation - Schedule of Share Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Number of Options      
Beginning balance (in shares) 31,130,935    
Granted (in shares) 7,717,785    
Exercised (in shares) (6,754) 0  
Forfeited (in shares) (1,096,871)    
Expired (in shares) (345,233)    
Ending balance (in shares) 37,399,862   31,130,935
Exercisable (in shares) 19,261,927    
Vested and expected to vest (in shares) 37,399,862    
Weighted- Average Exercise Price per share      
Beginning balance (in usd per share) $ 4.11    
Granted (in usd per share) 1.54    
Exercised (in usd per share) 0.41    
Forfeited (in usd per share) 2.13    
Expired (in usd per share) 5.00    
Ending balance (in usd per share) 3.63   $ 4.11
Exercisable (in usd per share) 5.23    
Vested and expected to vest (in usd per share) $ 3.63    
Additional Disclosures      
Weighted-Average Remaining Contractual Term, Options outstanding 7 years 5 months 4 days   7 years 9 months
Weighted-Average Remaining Contractual Term, Exercisable 6 years    
Weighted-Average Remaining Contractual Term, Vested and expected to vest 7 years 5 months 4 days    
Aggregate intrinsic value, Options outstanding $ 768   $ 1,977
Aggregate intrinsic value, Granted 561    
Aggregate intrinsic value, Exercised 8    
Aggregate intrinsic value, Forfeited 9    
Aggregate intrinsic value, Expired 0    
Aggregate intrinsic value, Exercisable 73    
Aggregate intrinsic value, Vested and expected to vest $ 768