v3.26.3
Share based compensation reserve - Non-Executive Director Restricted Share Awards (Details)
$ / shares in Units, € in Millions
3 Months Ended 9 Months Ended
Jun. 22, 2026
shares
$ / shares
Jun. 22, 2026
$ / shares
Oct. 16, 2025
$ / shares
Jul. 10, 2025
USD ($)
$ / shares
shares
Jul. 10, 2024
$ / shares
Sep. 30, 2026
EUR (€)
shares
Sep. 30, 2025
EUR (€)
shares
Sep. 30, 2026
EUR (€)
shares
Sep. 30, 2026
USD ($)
shares
Sep. 30, 2025
EUR (€)
shares
Sep. 30, 2025
USD ($)
shares
Dec. 31, 2025
shares
Dec. 31, 2024
shares
Non-Executive Director                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Number of other equity instruments exercised or vested in share-based payment arrangement (in shares) 49,092 29,707               24,135 24,135    
New awards granted in the period (in shares)   94,110   49,092 36,738                
Liabilities from share-based payment transactions (in shares) 19,385     12,603                  
Non-executive director cash remuneration | $                 $ 75,000        
Key Management Personnel Of Entity Or Parent, Non-Executive Director 2                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Number of other equity instruments exercised or vested in share-based payment arrangement (in shares)   6,702                      
New awards granted in the period (in shares)   8,378 8,378                    
Liabilities from share-based payment transactions (in shares) 1,676                        
Restricted shares                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Number of other equity instruments exercised or vested in share-based payment arrangement (in shares)               49,000 49,000 631,994 631,994    
New awards granted in the period (in shares)               1,336,055 1,336,055 1,262,731 1,262,731    
Number of other equity instruments outstanding (in shares)           3,309,037 3,415,714 3,309,037 3,309,037 3,415,714 3,415,714 3,285,141 3,128,416
Restricted shares | Non-Executive Director                          
Disclosure of terms and conditions of share-based payment arrangement [line items]                          
Other equity instruments granted in share-based payment arrangement, per director | $       $ 36,738         $ 140,000   $ 140,000    
Expense from share-based payment transactions with employees | €           € 0.2 € 0.2 € 0.6   € 0.5      
Shares issued, price per share (in dollars per share) | $ / shares $ 10.02 $ 10.02 $ 16.71 $ 17.11 $ 16.33