Financial instruments and risk management - Currency Risk sensitivity analyses (Details) - USD ($) $ in Thousands |
12 Months Ended | 24 Months Ended | |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
|
| Financial instruments and risk management | |||
| Percentage of reasonably possible increase in risk assumption | 10.00% | ||
| Increase (decrease) in loss and comprehensive loss due to reasonably possible increase in designated risk component | $ 571 | $ 1,761 | |
| Percentage of reasonably possible decrease in risk assumption | 10.00% | ||
| Increase (decrease) in loss and comprehensive loss due to reasonably possible increase in designated risk component | $ 571 | $ 1,761 | |