v3.25.4
Financial Assets and Liabilities - Summary of Development in Borrowings Arising from Financing Activities (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning of year € 856,616 € 644,265
Repayments (44,613) (26,496)
Net proceeds 0 134,158
Additions 78,517 861
Remeasurements 10 (11,248)
Accretion of interest 80,433 65,419
Foreign exchange translation (99,177) 49,657
End of year 871,786 856,616
Borrowings (excluding lease liabilities) [member]    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning of year 763,586 545,472
Repayments (29,065) (11,819)
Net proceeds 0 134,158
Remeasurements 10 (11,248)
Accretion of interest 76,247 62,116
Foreign exchange translation (90,516) 44,907
End of year 720,262 763,586
Lease liabilities [member]    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning of year 93,030 98,793
Repayments (15,548) (14,677)
Net proceeds   0
Additions 78,517 861
Accretion of interest 4,186 3,303
Foreign exchange translation (8,661) 4,750
End of year € 151,524 € 93,030