v3.25.4
Summary of Material Accounting Policies - Additional Information (Detail)
€ / shares in Units, € in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2025
EUR (€)
€ / shares
Dec. 31, 2025
$ / shares
Dec. 31, 2025
kr / shares
Dec. 31, 2024
EUR (€)
Dec. 31, 2023
EUR (€)
Disclosure of summary of significant accounting policies [line items]            
Nominal amount of treasury shares | €   € 80     € 113 € 146
Nominal value common shares | kr / shares       kr 1    
Convertible senior notes [member]            
Disclosure of summary of significant accounting policies [line items]            
Borrowings, maturity April 1, 2028 April 2028        
American depository shares [member]            
Disclosure of summary of significant accounting policies [line items]            
Conversion price per share | $ / shares     $ 166.34      
Ordinary shares [member]            
Disclosure of summary of significant accounting policies [line items]            
Nominal value common shares | € / shares   € 0.13