v3.25.2
Share based compensation reserve - Non-Executive Director Restricted Share Awards (Details)
$ / shares in Units, € in Millions
3 Months Ended 6 Months Ended
Jul. 10, 2025
USD ($)
$ / shares
Jul. 10, 2024
$ / shares
shares
Jul. 06, 2023
$ / shares
Jun. 30, 2025
EUR (€)
shares
Jun. 30, 2024
EUR (€)
shares
Jun. 30, 2025
USD ($)
shares
Jun. 30, 2025
EUR (€)
shares
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2024
EUR (€)
shares
Jun. 30, 2023
USD ($)
Dec. 31, 2024
shares
Dec. 31, 2023
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)   35,082       23,118 23,118          
New awards granted in the period (in shares) 49,092 36,738 35,082                  
Liabilities from share-based payment transactions (in shares)   11,964                    
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)           631,994 631,994 476,552 476,552      
New awards granted in the period (in shares)           1,159,853 1,159,853 1,427,492 1,427,492      
Number of other equity instruments outstanding (in shares)       3,331,700 3,114,051 3,331,700 3,331,700 3,114,051 3,114,051   3,128,416 2,503,002
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   $ 100,000   $ 140,000    
Expense from share-based payment transactions with employees | €       € 0.2 € 0.2   € 0.3   € 0.3      
Shares issued, price per share (in dollars per share) | $ / shares $ 17.11 $ 16.33 $ 17.1