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

Segmentation - Summary of the Amount of Revenue from these Customers (Detail)

v3.22.1
Segmentation - Summary of the Amount of Revenue from these Customers (Detail) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of major customers [line items]      
Revenue € 86,291 € 44,249 € 25,822
Customer A [Member]      
Disclosure of major customers [line items]      
Revenue 23,974 10,702 8,739
Customer B [Member]      
Disclosure of major customers [line items]      
Revenue 663 6,566 5,356
Customer C [Member]      
Disclosure of major customers [line items]      
Revenue 1,119 5,065 1,398
Customer D [Member]      
Disclosure of major customers [line items]      
Revenue 24,566 0 0
Major Customer [Member]      
Disclosure of major customers [line items]      
Revenue € 50,322 € 22,333 € 15,493