v3.26.1
Share-Based Compensation - Restricted Share Units (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
£ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Number of Shares      
Granted (in shares) | shares 2,581,977 2,581,977  
Unvested and Outstanding, ending balance (in shares) | shares 3,110,787 3,110,787  
Weighted Average Grant Date Fair Value      
Granted (in dollars per share) | $ / shares $ 2.48   $ 7.00
Unvested and Outstanding, ending balance (in dollars per share) | $ / shares $ 6.11    
Restricted Stock Units (RSUs)      
Number of Shares      
Unvested and Outstanding, beginning balance (in shares) | shares 658,553 658,553  
Granted (in shares) | shares 531,110 531,110  
Vested (in shares) | shares (189,174) (189,174)  
Forfeited (in shares) | shares (226,062) (226,062)  
Unvested and Outstanding, ending balance (in shares) | shares 774,427 774,427 658,553
Weighted Average Grant Date Fair Value      
Unvested and Outstanding, beginning balance (in dollars per share) | $ / shares $ 10.96    
Granted (in dollars per share) | $ / shares 3.76    
Vested (in dollars per share) | $ / shares 11.21    
Forfeited (in dollars per share) | $ / shares 8.12    
Unvested and Outstanding, ending balance (in dollars per share) | $ / shares $ 6.79   $ 10.96
Unrecognized compensation cost | $ $ 3.8 $ 3.8 $ 5.5
Period for recognition (in years) 2 years 6 months 2 years 6 months 2 years 9 months 18 days
Exercise price (in pound sterling per share) | £ / shares   $ 0.01