Post-employment benefit obligations - Disclosure of amounts recognized in consolidated statements of loss and comprehensive loss (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Schedule Of Amounts Recognized In Consolidated Statements Of Financial Position [Abstract] | ||
| Current service costs, interest costs, and return on assets included in cost of sales | $ 738 | $ 814 |