v3.25.1

Equity Investments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Disclosure of financial assets [abstract] |
Schedule of equity investments. | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | December 31,
​ |  |  | 2024 |  | 2023
​ | ​ | ​ | (Euro, in thousands)
Cost at January 1 | ​ | ​ | € | 13,965 | ​ | € | —
Acquisitions of the year | ​ | ​ | ​ | 36,880 | ​ | ​ | 13,965
Cost at December 31 | ​ | ​ | ​ | 50,845 | ​ | ​ | 13,965
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Fair value adjustment at January 1 | ​ | ​ | ​ | (390) | ​ | ​ | —
Fair value adjustment of the year | ​ | ​ | ​ | 2,485 | ​ | ​ | (390)
Fair value adjustment at December 31 | ​ | ​ | ​ | 2,095 | ​ | ​ | (390)
Net book value at December 31 | ​ | ​ | € | 52,941 | ​ | € | 13,575

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