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Employee Benefits - Schedule Of Composition Of Main Plan Assets As On Reporting Date (Detail) - EUR (€)
€ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Disclosure Of Detailed Information About Employee Benefits [Line Items]    
Plan assets, at fair value € 1,430 € 1,244
Equity investments    
Disclosure Of Detailed Information About Employee Benefits [Line Items]    
Plan assets, at fair value 666 614
Real estates    
Disclosure Of Detailed Information About Employee Benefits [Line Items]    
Plan assets, at fair value 423 323
Bonds    
Disclosure Of Detailed Information About Employee Benefits [Line Items]    
Plan assets, at fair value 137 130
Alternative investments    
Disclosure Of Detailed Information About Employee Benefits [Line Items]    
Plan assets, at fair value 108 65
Liquid funds    
Disclosure Of Detailed Information About Employee Benefits [Line Items]    
Plan assets, at fair value € 96 € 112