v3.26.1
Share based compensation reserve - Non-Executive Director Restricted Share Awards (Details)
$ / shares in Units, € in Millions
3 Months Ended 6 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
Jun. 30, 2026
EUR (€)
shares
Jun. 30, 2025
EUR (€)
shares
Jun. 30, 2026
EUR (€)
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
EUR (€)
shares
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2024
USD ($)
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)               1,213,028 1,213,028 1,159,853 1,159,853      
Number of other equity instruments outstanding (in shares)           3,285,868 3,331,700 3,285,868 3,285,868 3,331,700 3,331,700   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 $ 140,000    
Expense from share-based payment transactions with employees | €           € 0.2 € 0.2 € 0.4   € 0.3        
Shares issued, price per share (in dollars per share) | $ / shares $ 10.02 $ 10.02 $ 16.71 $ 17.11 $ 16.33