Operating expenses - Disclosure of general and administrative expenses (Details) - EUR (€) € in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of attribution of expenses by nature to their function [line items] | ||||
| Operating expenses | € 85,312 | € 47,589 | € 142,886 | € 95,783 |
| GENERAL AND ADMINISTRATIVE EXPENSES | ||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||
| Personnel costs | 17,461 | 5,488 | 19,101 | 10,547 |
| Consulting and professional fees | 4,829 | 1,768 | 8,173 | 3,703 |
| Other general and administrative expenses | 1,802 | 1,014 | 3,101 | 2,053 |
| Operating expenses | € 24,092 | € 8,270 | € 30,376 | € 16,303 |