v3.25.4
Share-based compensation, Fair Values of the Options Granted (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
yr
$ / shares
Dec. 31, 2024
USD ($)
yr
$ / shares
Dec. 31, 2023
USD ($)
yr
$ / shares
Weighted average assumptions [Abstract]      
Strike price (in dollars per share) | $ / shares $ 4.12 $ 1.37 $ 5.41
Award life (weighted average) | yr 5.65 5.55 5.6
Expected dividends 0.00% 0.00% 0.00%
Other reserves within equity on consolidated statement | $ $ 13,292 $ 5,194  
Expense (benefit) for awards recognized | $ 8,504 1,171 $ 2,291
Share Option Plan [member]      
Weighted average assumptions [Abstract]      
Other reserves within equity on consolidated statement | $ $ 13,100 $ 4,900  
Bottom of Range [Member]      
Weighted average assumptions [Abstract]      
Share price (in dollars per share) | $ / shares $ 7.91 $ 5.8 $ 5.32
Expected volatility 83.00% 85.00% 83.00%
Risk-free interest rate 3.66% 3.54% 3.50%
Top of Range [Member]      
Weighted average assumptions [Abstract]      
Share price (in dollars per share) | $ / shares $ 16.49 $ 14.81 $ 13.15
Expected volatility 93.00% 94.00% 88.00%
Risk-free interest rate 4.47% 4.52% 4.77%