Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Net change in non-cash working capital items: | ||
| Accounts receivable | $ (22,377) | $ (13,985) |
| Inventories | (41,641) | (12,586) |
| Other assets | (5,848) | (17,636) |
| Accounts payable and accrued liabilities | 18,131 | (4,137) |
| Net change in non-cash working capital items | (51,735) | (48,344) |
| Non-cash investing and financing activities: | ||
| Additions to property, plant and equipment by leases | 25,007 | 18,012 |
| Non-cash decrease in accounts payable in relation to additions of property, plant and equipment and exploration and evaluation assets | (9,397) | (4,848) |
| Change in mineral properties, plant and equipment from change in estimates for provision for rehabilitation and closure costs | (4,859) | 7,890 |
| Non-cash operating activities: | ||
| Settlement of income taxes payable via VAT recoverable | $ (16,460) | $ (4,928) |