v3.26.1
Foreign currency swaps and forwards - financial instruments (Details) - EUR (€)
€ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financial liabilities      
Opening value at January 1   € 353 € 353
Settled contracts   (353)  
Foreign currency forwards      
Financial assets      
Opening value at January 1 € 4 0 0
Fair value adjustments (4) 493  
Closing value at December 31 € 0 € 493 € 4