v3.25.4
Leases - Additional Information (Detail) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of quantitative information about right-of-use assets [line items]      
Additions to right-of-use assets € 3,300 € 3,100  
Currency translation of  right-of-use assets  600 400  
Cash payments for leases 4,000 4,200 € 4,800
Payments for leases 2,959 2,012 3,849
Payments of right of use assets classified as financing activities 27,800 € 29,300  
Expense relating to short term leases for which recognition exemption has been used     € 1,548
Top of range [member]      
Disclosure of quantitative information about right-of-use assets [line items]      
Expense relating to short term leases for which recognition exemption has been used 5    
Later than four years and not later than five years [member]      
Disclosure of quantitative information about right-of-use assets [line items]      
Payments for leases 15,600    
Later than one year [member]      
Disclosure of quantitative information about right-of-use assets [line items]      
Payments for leases € 2,800