Property, Plant and Equipment - Summary of Depreciations Charges (Detail) - EUR (€) € in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of detailed information about depreciations charges [Line Items] | |||
| Depreciations charges | € 17,206 | € 17,247 | € 18,428 |
| Cost of sales [member] | |||
| Disclosure of detailed information about depreciations charges [Line Items] | |||
| Depreciations charges | 1,835 | 3,197 | 2,509 |
| Research and development expenses [member] | |||
| Disclosure of detailed information about depreciations charges [Line Items] | |||
| Depreciations charges | 8,468 | 7,453 | 10,296 |
| Selling General And Administrative Expense [Member] | |||
| Disclosure of detailed information about depreciations charges [Line Items] | |||
| Depreciations charges | € 6,903 | € 6,597 | € 5,623 |