v3.25.4

Summary of Material Accounting Policies - Additional Information (Detail) € / shares in Units, € in Thousands | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2025 EUR (€) € / shares | Dec. 31, 2025 $ / shares | Dec. 31, 2025 kr / shares | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 EUR (€)
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |
Nominal amount of treasury shares | € |  | € 80 |  |  | € 113 | € 146
Nominal value common shares | kr / shares |  |  |  | kr 1 |  |
Convertible senior notes [member] |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |
Borrowings, maturity | April 1, 2028 | April 2028 |  |  |  |
American depository shares [member] |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |
Conversion price per share | $ / shares |  |  | $ 166.34 |  |  |
Ordinary shares [member] |  |  |  |  |  |
Disclosure of summary of significant accounting policies [line items] |  |  |  |  |  |
Nominal value common shares | € / shares |  | € 0.13 |  |  |  |

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