Related-party transactions (Details) - EUR (€) € in Thousands |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Disclosure of transactions between related parties [line items] | |||
| Borrowings | € 184,060 | € 179,167 | |
| Key management personnel compensation | 2,500 | € 4,200 | |
| CIR | |||
| Disclosure of transactions between related parties [line items] | |||
| Borrowings | € 3,100 | € 3,100 | |
| CIR | BPI France | |||
| Disclosure of transactions between related parties [line items] | |||
| Borrowings, percentage of receivables | 80.00% | ||
| Borrowings | € 3,100 | ||