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Property, Plant and Equipment - Additional Information (Detail) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about property, plant and equipment [line items]    
Additions to property plant and equipment € 9,106 € 36,262
Additions of property plant and equipment pending of payment 5,849 8,979
Contractual commitment for property plant and equipment 775 3,318
Property, plant and equipment fully depreciated assets still in use 85 0
Arlington Texas    
Disclosure of detailed information about property, plant and equipment [line items]    
Additions to property plant and equipment   36,262
Leasehold improvements    
Disclosure of detailed information about property, plant and equipment [line items]    
Property plant and equipment pledged as security € 23,202 € 20,829