v3.25.4

Financial Risk Management - Schedule of Foreign Currency Sensitivity Analysis (Detail) - US dollars to Euro [member] - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Disclosure of detailed information about financial instruments [line items] |  |
Nominal positions (net) | € (508,858) | € (735,064)
Increase in foreign currency exchange rate | 10.00% | 10.00%
Profit/(loss) before tax | € (50,886) | € (73,506)
Equity before tax | € (50,886) | € (73,506)

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