v3.26.1
Financial risk management - Fair value measurement - changes in Level 3 items (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Reconciliation of changes in fair value measurement, assets [abstract]    
Beginning balance $ 129,834 $ 36,851
Ending balance 256,379 129,834
Level 3 | Measured at FVTPL    
Reconciliation of changes in fair value measurement, assets [abstract]    
Beginning balance 264 257
Business combination - merger transaction 5,846  
Additions during the year 17,333  
Fair value changes (438) 7
Ending balance 23,005 264
Level 3 | Measured at FVTPL | Fund investments    
Reconciliation of changes in fair value measurement, assets [abstract]    
Beginning balance 264 257
Business combination - merger transaction 5,846  
Additions during the year 16,333  
Fair value changes (438) 7
Ending balance 22,005 $ 264
Level 3 | Measured at FVTPL | Unlisted equity investment    
Reconciliation of changes in fair value measurement, assets [abstract]    
Additions during the year 1,000  
Ending balance $ 1,000