Operating expenses - Disclosure of general and administrative expenses (Details) - EUR (€) € in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Disclosure of attribution of expenses by nature to their function [line items] | ||||
| Operating expenses | € 47,589 | € 40,954 | € 95,783 | € 86,811 |
| General and administrative expense | ||||
| Disclosure of attribution of expenses by nature to their function [line items] | ||||
| Personnel costs | 5,244 | 5,898 | 9,932 | 11,172 |
| Consulting and professional fees | 1,768 | 2,331 | 3,703 | 3,848 |
| Other general and administrative expenses | 1,258 | 1,566 | 2,668 | 2,912 |
| Operating expenses | € 8,270 | € 9,796 | € 16,303 | € 17,932 |