Retirement obligations - Disclosure of Changes in Provisions (Details) - EUR (€) € in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Lump-sum retirement benefits
Other Provisions [Roll Forward]
Other provisions at beginning of period	€ 432	€ 323
Increases	95	109
Decreases	0	0
Currency translation	0	0
Other provisions at end of period	507	432
Total Non-current provisions
Other Provisions [Roll Forward]
Other provisions at beginning of period	432	323
Increases	95	109
Decreases	0	0
Currency translation	0	0
Other provisions at end of period	€ 507	€ 432

The amount of additional other provisions made. [Refer: Other provisions]

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- Definition

The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

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Other Provisions

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No definition available.

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- Definition

Provision Used And Unused Provision Reversed, Other Provisions

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