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) |