v3.25.2
Share based compensation reserve - Director and Senior Management Share Awards (Narrative) (Details)
€ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2024
shares
Jun. 30, 2025
EUR (€)
Jun. 30, 2024
EUR (€)
Jun. 30, 2025
EUR (€)
shares
Jun. 30, 2024
EUR (€)
shares
Dec. 31, 2024
$ / shares
Jun. 30, 2025
$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Key management personnel compensation | €   € 0.3 € 1.7 € 3.8 € 4.7    
Ordinary shares              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Shares issued, price per share (in dollars per share) | $ / shares           $ 17.5 $ 17.59
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)       631,994 476,552    
New awards granted in the period (in shares)       1,159,853 1,427,492    
New awards granted in the period (in shares)       1,159,853 1,427,492    
Restricted shares | January 1, 2021              
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) 256,687            
Liabilities from share-based payment transactions (in shares) 219,865            
Restricted shares | January 1, 2022              
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)       349,823      
Liabilities from share-based payment transactions (in shares)       282,171      
Restricted shares | Other Awards              
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)       62,000      
Restricted shares | January 1, 2025              
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)       114,669      
Restricted shares | January 1, 2021              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
New awards granted in the period (in shares)         0    
New awards granted in the period (in shares)         0    
Restricted shares | January 1, 2022              
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)       555,994 476,552    
New awards granted in the period (in shares)       0 0    
New awards granted in the period (in shares)       0 0    
Restricted shares | Other Awards              
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)       76,000      
New awards granted in the period (in shares)       62,000 252,991    
New awards granted in the period (in shares)       62,000 252,991    
Restricted shares | January 1, 2023              
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)       0      
New awards granted in the period (in shares)       0 0    
New awards granted in the period (in shares)       0 0    
Performance share awards | January 1, 2024              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
New awards granted in the period (in shares)           1,193,261  
New awards granted in the period (in shares)           1,193,261  
Performance share awards | January 1, 2025              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
New awards granted in the period (in shares)       1,045,184      
New awards granted in the period (in shares)       1,045,184      
Performance and Restricted Stock | January 1, 2024              
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)       0      
New awards granted in the period (in shares)       0 1,174,501    
New awards granted in the period (in shares)       0 1,174,501