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Trade Receivables - Summary of Changes in Provision for Doubtful Accounts (Detail) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure Of Changes In Allowance For Doubtful Accounts [Abstract]    
Balance at beginning of year € 5,604 € 5,325
Charges – bad debt expense 33 330
Reductions – write off of uncollectible amounts (1,409) (95)
Foreign exchange effect 35 44
Balance at end of year € 4,263 € 5,604