Cash and cash equivalents - Disclosure of composition of cash and cash equivalents (Details) - EUR (€) € in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash and cash equivalents [abstract]
Cash equivalents	€ 18,105	€ 6	€ 6
Cash	233,837	26,944	60,695
Cash and cash equivalents	€ 251,942	€ 26,950	€ 60,701	€ 29,302

The amount of cash on hand and demand deposits. [Refer: Cash on hand]

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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No definition available.

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The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.

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