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Reverse Recapitalization - Summary of Breakdown of the Net Cash Proceeds From the Reverse Recapitalization is Set Out Below (Detail) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Detailed Information About Breakdown Of Net Cash Proceeds From Reverse Recapitalization [Line Items]      
Proceeds from the Reverse Recapitalization € 183,426 € 0 € 0
Payments of transaction costs related to the Reverse Recapitalization (11,217) € 0 € 0
Net cash proceeds from the Reverse Recapitalization € 172,209