v3.25.2
Financial gain (loss) - Narrative (Details) - EUR (€)
€ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disclosure Of Financial Gain (Loss) [Line Items]        
Gains on financial assets at fair value through profit or loss € 375 € 462    
Effect of exchange rate changes on cash and cash equivalents   1,785 € (1,770)  
United States of America, Dollars        
Disclosure Of Financial Gain (Loss) [Line Items]        
Effect of exchange rate changes on cash and cash equivalents   € 1,083   € (2,035)