Financial gain (loss) - Narrative (Details) - EUR (€) € in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure Of Financial Gain (Loss) [Line Items] | |||
| Losses on change in fair value of derivatives | € 29,935 | € 1,462 | € 3,046 |
| Foreign exchange loss | 13,444 | 51 | 5,573 |
| Gains on change in fair value of derivatives | 3,620 | 1,413 | 1,006 |
| Foreign exchange gains | 11,886 | 2,774 | 0 |
| Kreos & Claret BSA | |||
| Disclosure Of Financial Gain (Loss) [Line Items] | |||
| Losses on change in fair value of derivatives | 29,935 | ||
| Kreos & Claret minimal return indemnifications | |||
| Disclosure Of Financial Gain (Loss) [Line Items] | |||
| Gains on change in fair value of derivatives | 3,620 | ||
| United States of America, Dollars | |||
| Disclosure Of Financial Gain (Loss) [Line Items] | |||
| Foreign exchange loss | 8,639 | 3,196 | |
| Foreign currency translation differences gains (loss) | 714 | € (1,488) | |
| Foreign exchange gains | € 10,663 | € 2,035 | |