v3.25.4
Financial Assets and Liabilities - Summary of Fair Value Hierarchy (Details) - EUR (€)
€ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Categories of financial liabilities [abstract]        
Royalty funding liabilities € 290,900      
Derivative liabilities 256,231 € 150,670    
Total financial liabilities 1,219,720 1,103,991    
Carrying amount [member]        
Categories of financial liabilities [abstract]        
Financial liabilities at amortised cost 720,262 763,586    
Total financial liabilities at fair value through profit or loss 256,231 150,670    
Fair value [member]        
Categories of financial liabilities [abstract]        
Financial liabilities at amortised cost 723,328 743,961    
Total financial liabilities at fair value through profit or loss 256,231 150,670    
Level 3 [member]        
Categories of financial liabilities [abstract]        
Derivative liabilities 256,231 150,670 € 143,296 € 157,950
Level 3 [member] | Carrying amount [member]        
Categories of financial liabilities [abstract]        
Convertible senior notes 429,391 458,207    
Royalty funding liabilities 290,871 305,379    
Derivative liabilities 256,231 150,670    
Level 3 [member] | Fair value [member]        
Categories of financial liabilities [abstract]        
Convertible senior notes 426,429 438,288    
Royalty funding liabilities 296,899 305,673    
Derivative liabilities € 256,231 € 150,670