v3.25.1
Share capital - History (Details) - EUR (€)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2024
Dec. 31, 2021
History of the share capital        
Exercise of subscription rights € 1,770,000 € 6,695,000    
Aggregate number of shares after transaction 65,897,071 65,835,511 65,897,071 65,552,721
Aggregate share capital after transaction € 356,445,000 € 356,112,000 € 356,445,000 € 354,582,000
Par value per share     € 5.41  
March 18, 2022        
History of the share capital        
Exercise of subscription rights   € 517,000    
Number of shares issued   96,000    
June 20, 2022        
History of the share capital        
Exercise of subscription rights   € 434,000    
Number of shares issued   80,000    
September 27, 2022        
History of the share capital        
Exercise of subscription rights   € 579,000    
Number of shares issued   107,000    
March 20, 2023        
History of the share capital        
Exercise of subscription rights € 333,000      
Number of shares issued 62,000