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Financial risk management - Summary of Table presents the group's assets and liabilities that are measured at fair value (Detail) - EUR (€)
€ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Other non-current assets    
Table presents The Groups Assets And Liabilities That Are Measured At Fair Value [Line Items]    
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently € 9,002 € 0
Level 1 of fair value hierarchy [member] | Other non-current assets    
Table presents The Groups Assets And Liabilities That Are Measured At Fair Value [Line Items]    
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently 5,826 0
Level 3 of fair value hierarchy [member] | Other non-current assets    
Table presents The Groups Assets And Liabilities That Are Measured At Fair Value [Line Items]    
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently 3,176 0
Other Current Liabilities [Member]    
Table presents The Groups Assets And Liabilities That Are Measured At Fair Value [Line Items]    
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently 2,375 1,952
Other Current Liabilities [Member] | Level 1 of fair value hierarchy [member]    
Table presents The Groups Assets And Liabilities That Are Measured At Fair Value [Line Items]    
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently 1,028 1,259
Other Current Liabilities [Member] | Level 3 of fair value hierarchy [member]    
Table presents The Groups Assets And Liabilities That Are Measured At Fair Value [Line Items]    
Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently € 1,347 € 693