Segment Information - Summary of Intangible Assets, and Property, Plant and Equipment (Parenthetical) (Details) - EUR (€) € in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of operating segments [line items] | ||
| Intangible assets and property, plant and equipment | € 182,715 | € 116,317 |
| Denmark [member] | ||
| Disclosure of operating segments [line items] | ||
| Intangible assets and property, plant and equipment | 33,600 | 27,900 |
| Germany [Member] | ||
| Disclosure of operating segments [line items] | ||
| Intangible assets and property, plant and equipment | € 71,800 | € 11,600 |