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Retirement obligations - Disclosure of Sensitivity Analysis for Actuarial Assumptions (Details) - EUR (€) € in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of sensitivity analysis for actuarial assumptions [line items] |  |
Actuarial assumption of discount rates if rates decrease by 25% | 3.31% |
Discount rate | 3.56% | 3.30%
Actuarial assumption of discount rates if rates increase by 25% | 3.81% |
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% | € 451 |
Net defined benefit liability | 432 |
Net defined benefit liability if actuarial assumption of discount rates increase by 25% | € 413 |

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- Definition The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [domain]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2024-01-01 -Paragraph 144 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2024-en-r&anchor=para_144&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of deficit in a defined benefit plan. [Refer: Defined benefit plans [domain]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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