Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Expenses - Summary of Expenses (Details)

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Expenses - Summary of Expenses (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Expense By Function [Abstract]      
Selling and Marketing expenses € 20,448 € 20,044 € 26,144
Research and Development expenses 29,616 17,390 7,826
General and Administrative expenses 62,502 58,863 50,568
Total Expenses € 112,566 € 96,297 € 84,538