Share capital and other reserves - Other comprehensive income (Details) - EUR (€) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Share capital | |||
| Other reserves. | € (8,637,000) | € (3,158,000) | € (5,890,000) |
| Fair value adjustment on financial assets held at fair value through other comprehensive income | (3,600,000) | 2,500,000 | 0 |
| Remeasurement of defined benefit obligation | € (5,000,000) | € (5,600,000) | € (5,900,000) |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The gains (losses) including exchange differences recognised in other comprehensive income on the fair value measurement of assets. [Refer: At fair value [member]; Other comprehensive income] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of other comprehensive income, before tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [domain]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings] Reference 1: http://www.xbrl.org/2003/role/exampleRef
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