v3.26.1
Fair value measurement - Schedule of Fair Value Measurement of Equity (Details)
€ in Thousands
6 Months Ended
Jun. 30, 2026
EUR (€)
Disclosure of fair value measurement of equity [line items]  
At beginning of period € 1,099,081
At end of period 1,110,907
Level 3  
Disclosure of fair value measurement of equity [line items]  
At beginning of period 58,799
Investments 1,372
Disposals (2,543)
Fair value adjustments 1,854
Realized gains 62
Exchange rate gains 536
At end of period € 60,080