Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Intangible Assets - Summary of Changes in Intangible Assets (Detail)

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Intangible Assets - Summary of Changes in Intangible Assets (Detail) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Intangible Assets [Line Items]    
Beginning balance € 31,928  
Ending balance 32,158 € 31,928
Cost    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 74,260 69,883
Additions 8,097 5,489
Disposal 0 (1,744)
Reclassifications 0 0
Exchange differences 417 632
Ending balance 82,773 74,260
Amortization    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 42,332 35,982
Amortization 8,116 7,504
Disposal 0 (1,335)
Exchange differences 168 181
Ending balance 50,616 42,332
Development Costs    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 7,329  
Ending balance 4,634 7,329
Development Costs | Cost    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 16,081 17,113
Additions 0 112
Disposal 0 (1,153)
Reclassifications 0 0
Exchange differences 0 9
Ending balance 16,081 16,081
Development Costs | Amortization    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 8,752 6,987
Amortization 2,694 2,896
Disposal 0 (1,134)
Exchange differences 1 3
Ending balance 11,447 8,752
Industrial Patents and Intellectual Property Rights    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 5,085  
Additions 4,792  
Ending balance 10,087 5,085
Industrial Patents and Intellectual Property Rights | Cost    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 16,923 14,860
Additions 4,792 1,298
Disposal 0 (138)
Reclassifications 3,435 856
Exchange differences 105 47
Ending balance 25,255 16,923
Industrial Patents and Intellectual Property Rights | Amortization    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 11,838 9,704
Amortization 3,271 2,243
Disposal 0 (139)
Exchange differences 59 30
Ending balance 15,168 11,838
Concessions, Licenses, Trademarks and Similar Rights    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 11,375  
Ending balance 9,908 11,375
Concessions, Licenses, Trademarks and Similar Rights | Cost    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 25,877 25,370
Additions 43 345
Disposal 0 0
Reclassifications 0 0
Exchange differences (35) 162
Ending balance 25,885 25,877
Concessions, Licenses, Trademarks and Similar Rights | Amortization    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 14,502 12,818
Amortization 1,483 1,656
Disposal 0 0
Exchange differences (8) 28
Ending balance 15,977 14,502
Intangible Fixed Assets in Process and Advances    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 4,073  
Ending balance 3,147 4,073
Intangible Fixed Assets in Process and Advances | Cost    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 4,073 1,588
Additions 2,667 3,688
Disposal 0 (362)
Reclassifications (3,593) (856)
Exchange differences 0 15
Ending balance 3,147 4,073
Intangible Fixed Assets in Process and Advances | Amortization    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 0 0
Amortization 0 0
Disposal 0 0
Exchange differences 0 0
Ending balance 0 0
Other Intangible Assets    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 4,066  
Ending balance 3,915 4,066
Other Intangible Assets | Cost    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 11,306 10,952
Additions 95 46
Disposal 0 (91)
Reclassifications 158 0
Exchange differences 347 399
Ending balance 11,906 11,306
Other Intangible Assets | Amortization    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 7,240 6,473
Amortization 635 709
Disposal 0 (62)
Exchange differences 116 120
Ending balance 7,991 7,240
Costs To Obtain A Contract    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 0  
Ending balance 467 0
Costs To Obtain A Contract | Cost    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 0 0
Additions 500 0
Disposal 0 0
Reclassifications 0 0
Exchange differences 0 0
Ending balance 500 0
Costs To Obtain A Contract | Amortization    
Disclosure Of Intangible Assets [Line Items]    
Beginning balance 0 0
Amortization 33 0
Disposal 0 0
Exchange differences 0 0
Ending balance € 33 € 0