v3.26.3
Employee benefit - Additional information (Details) - EUR (€)
€ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Disclosure of defined benefit plans [line items]    
Net defined benefit asset € 0  
Allowance for retirement defined benefit    
Disclosure of defined benefit plans [line items]    
Actuarial assumption of discount rates 3.85% 3.85%