Related Party Disclosures - Summary of Transactions Between Related Parties Amount (Details) - Other related parties - EUR (€) € in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of transactions between related parties [line items] | |||
| Purchases of various goods and services from entities controlled by ATHOS KG | € 1.4 | € 0.2 | € 0.3 |
| Total | € 1.4 | € 0.2 | € 0.3 |