v3.26.1
Intangible assets and Goodwill - Changes in the key assumptions (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Intangible assets and Goodwill    
Impairment loss € 0 € 0
Future cash flows    
Intangible assets and Goodwill    
Percentage of reasonably possible increase (decrease) in key assumption (10.00%)  
Impairment loss due to reasonably possible increase (decrease) in key assumption € 0  
Discount rate    
Intangible assets and Goodwill    
Percentage of reasonably possible increase (decrease) in key assumption 1.00%  
Impairment loss due to reasonably possible increase (decrease) in key assumption € 0  
Sustainable growth rate    
Intangible assets and Goodwill    
Percentage of reasonably possible increase (decrease) in key assumption (1.00%)  
Impairment loss due to reasonably possible increase (decrease) in key assumption € 0