v3.26.1
Financial instruments - fair values and risk management - Reconciliation from the opening balances to the closing balances for financial liabilities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Measurement of fair values    
Liabilities at beginning of period $ 373,725  
Net change in fair value (3) $ (913)
Liabilities at end of period 323,678 373,725
Share warrant obligation    
Measurement of fair values    
Liabilities at beginning of period 365  
Net change in fair value (3)  
Liabilities at end of period 362 365
Share warrant obligation | Level 3    
Measurement of fair values    
Liabilities at beginning of period 365 1,278
Net change in fair value   (913)
Liabilities at end of period   365
Put option liability    
Measurement of fair values    
Liabilities at beginning of period 15,002  
Liabilities at end of period 15,002 15,002
Put option liability | Level 3    
Measurement of fair values    
Liabilities at beginning of period $ 15,002 28,995
Net change in fair value   129
Cubic Games Studio Ltd's put option exercise/expiration   (14,122)
Liabilities at end of period   $ 15,002