v3.26.3
FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT - Fair value level 3 reconciliation assets (Details) - EUR (€)
€ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT    
Beginning Balance € 106,315 € 93,100
Ending Balance 127,207 106,315
Level 3    
FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT    
Beginning Balance 16,191  
Addition   17,042
Changes from fair value remeasurement   (851)
Ending Balance   16,191
Level 3 | Group14 shares    
FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT    
Beginning Balance 8,478  
Addition   6,234
Changes from fair value remeasurement   2,244
Ending Balance   8,478
Level 3 | XJ Harbour price protection cap derivative    
FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT    
Beginning Balance € 7,713  
Addition   10,808
Changes from fair value remeasurement   (3,095)
Ending Balance   € 7,713