v3.26.1
Financial risk management and financial instruments - Changes and movement of financial instruments in Level 3 (Details) - USD ($)
 1 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
Financial risk management and financial instruments      
Beginning balance   $ 256,379,000  
Transfer to a related party   0  
Ending balance $ 298,048,000 298,048,000  
Measured at FVTPL | Level 3      
Financial risk management and financial instruments      
Beginning balance   23,005,000 $ 264,000
Business combination - merger transaction     5,846,000
Additions during the year   100,000 1,000,000
Disposals during the period   (2,935,000)  
Transfer to a related party   (4,246,000)  
Fair value changes   (1,102,000) (237,000)
Ending balance 14,822,000 14,822,000 6,873,000
Measured at FVTPL | Fund investments | Level 3      
Financial risk management and financial instruments      
Beginning balance   22,005,000 264,000
Business combination - merger transaction     5,846,000
Additions during the year   100,000  
Disposals during the period   (2,935,000)  
Transfer to a related party   (4,246,000)  
Fair value changes   (1,102,000) (237,000)
Ending balance 13,822,000 13,822,000 5,873,000
Cash consideration $ 4,000,000    
Percentage of interest transferred 100.00%    
Measured at FVTPL | Unlisted equity investments | Level 3      
Financial risk management and financial instruments      
Beginning balance   1,000,000  
Additions during the year     1,000,000
Ending balance $ 1,000,000 $ 1,000,000 $ 1,000,000