XML 152 R121.htm IDEA: XBRL DOCUMENT v3.26.1
Income tax - Disclosure of deferred tax assets and liabilities by nature (Details) - EUR (€)
€ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets € 241,894 € 155,715 € 116,006
Deferred tax liabilities 17,616 1,584 444
Deferred tax assets, net 224,279 154,131 115,562
Unrecognized deferred tax assets (230,127) (154,131) (115,562)
Total deferred taxes, net recognized in the statement of financial position (5,848) 0 0
Retirement benefit obligation      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 157 189 157
Subsidies      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax liabilities 0 12 24
Leases      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 476 591 135
Deferred tax liabilities 396 485 124
Royalty certificates      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets   1,427 0
Deferred tax liabilities 17,208 0 0
Other financial liabilities      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 0 1,678 351
Deferred tax liabilities 0 1,075 285
Provisions for AGA taxes      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 11,454 142 83
Tax losses carryforward      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 228,239 152,372 114,946
Other items      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 1,568 744 335
Deferred tax liabilities € 11 € 12 € 10