Financial liabilities - Disclosure of variation in lease liabilities (Details) - EUR (€) € in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Disclosure of financial liabilities [abstract] | ||
| Lease liabilities at beginning of period | € 2,363 | € 540 |
| Increase | 0 | 2,051 |
| Decrease | (814) | (406) |
| Lease liabilities at end of period | € 1,549 | € 2,185 |