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Related Party Transactions - Summary of Information About Key Management Personnel (Detail) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Related party transactions [abstract]      
Short-term employee benefits € 3,320 € 2,218 € 1,425
Employee share-based compensation 4,680 4,876 3,751
Total € 8,000 € 7,094 € 5,176