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Share-based remuneration schemes (Details) - EUR (€) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Sharebased payment arrangements [Abstract] |  |  |
Number of share options outstanding in share-based payment arrangement at beginning of period | 1,953,016 | 1,782,127 | 2,054,531
Number of share options granted in share-based payment arrangement | 543,320 | 653,611 | 702,675
Number of share options settled in sharebased payment arrangement | (538,868) | (277,493) | (356,958)
Number of share options resigned and other actiond in sharebased payment arrangement | (200,618) | (192,425) | (526,552)
Number of share options exercised in share-based payment arrangement | (27,098) | (12,804) | (91,569)
Number of share options outstanding in share-based payment arrangement at end of period | 1,729,752 | 1,953,016 | 1,782,127

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