Segment reporting - Summary of non-current assets by geography (Details) - EUR (€) € in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Geographical areas | ||
| Non-current assets | € 309,281 | € 437,522 |
| EMEA | ||
| Geographical areas | ||
| Non-current assets | 165,152 | 255,836 |
| North America | ||
| Geographical areas | ||
| Non-current assets | 96,200 | 125,662 |
| Greater China | ||
| Geographical areas | ||
| Non-current assets | 49,750 | 53,187 |
| Other Asia | ||
| Geographical areas | ||
| Non-current assets | € 1,179 | € 2,837 |