Retirement obligations - Disclosure of Sensitivity Analysis for Actuarial Assumptions (Details) - EUR (€) € in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of sensitivity analysis for actuarial assumptions [line items] | ||
| Actuarial assumption of discount rates if rates decrease by 25% | 3.71% | |
| Discount rate | 3.96% | 3.56% |
| Actuarial assumption of discount rates if rates increase by 25% | 4.21% | |
| Actuarial assumption of discount rates | ||
| Disclosure of sensitivity analysis for actuarial assumptions [line items] | ||
| Net defined benefit liability if actuarial assumption of discount rates decrease by 25% | € 529 | |
| Net defined benefit liability | 507 | |
| Net defined benefit liability if actuarial assumption of discount rates increase by 25% | € 487 |