Segment Information - Summary of Non-current Segment Assets, Comprise of Intangible Assets, and Property, Plant and Equipment and Investments in Associates, Located by Region (Detail) - EUR (€) € in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
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|---|---|---|---|---|---|---|
| Disclosure of operating segments [line items] | ||||||
| Non-current segment assets | € 182,715 | € 116,317 | ||||
| North America [member] | ||||||
| Disclosure of operating segments [line items] | ||||||
| Non-current segment assets | [1] | 74,651 | 76,677 | |||
| Europe [member] | ||||||
| Disclosure of operating segments [line items] | ||||||
| Non-current segment assets | [1],[2] | € 108,064 | € 39,640 | |||
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