v3.25.4
Investments in Associates - Schedule of Financial Information of Investments in Associates (Detail) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Statement of profit or (loss)        
Total comprehensive income € (231,572) € (377,022) € (484,178)  
Statement of financial position        
Non-current assets 193,585 118,634    
Current assets 1,108,985 1,060,861    
Total assets 1,302,570 1,179,495    
Equity (162,821) (105,706) € (145,697) € 263,348
Non-current liabilities 396,000 377,338    
Total equity and liabilities 1,302,570 1,179,495    
Associates [member]        
Statement of profit or (loss)        
Profit / (loss) for the year from continuing operations (47,507) (59,235)    
Total comprehensive income (47,490) (59,218)    
Transactions and outstanding balances as of December 31        
Invoicing of goods and services to associates 31,808 18,225    
Trade receivables from associates 824 1,759    
Contract liabilities € 4,944 € 5,936