Cost of Sales - Additional Information (Detail) - EUR (€) € in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Cost Of Sales [Line Items]
Depreciation And Amortisation Expense	€ 7,895	€ 10,144	€ 11,709
Other manufacturing costs [member] \| Cost of sales [member]
Disclosure Of Cost Of Sales [Line Items]
Depreciation And Amortisation Expense	€ 7,895	€ 10,144	€ 11,709

The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives.

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration