Other Income and Other Expense - Additional information (Detail) - EUR (€) € in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disclosure Of Other Income And Expenses [Abstract]
VAT relief	€ 1,475	€ 1,573	€ 1,395
Reimbursements	2,875	€ 1,289	€ 580
Revenues deriving from active leases	590
Other expense	€ 457

The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'function of expense' form for its analysis of expenses.

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