| Line Item | Dec 31, 2025 | Dec 31, 2024 | Dec 31, 2023 | Dec 31, 2022 | Dec 31, 2021 | Dec 31, 2020 | Dec 31, 2019 |
|---|---|---|---|---|---|---|---|
| Income Statement | |||||||
| Revenues | |||||||
| Cost of sales | |||||||
| Depletion | |||||||
| Gross profit | |||||||
| Other operating expenses | |||||||
| General and administrative | |||||||
| Business development | |||||||
| Impairment of royalty, stream and other interests | |||||||
| Operating income | |||||||
| Interest income | |||||||
| Finance costs | |||||||
| Foreign exchange gain (loss) | |||||||
| Share of loss of associates | |||||||
| Other gains (losses), net | |||||||
| Earnings before income taxes | |||||||
| Income tax expense | |||||||
| Net earnings | |||||||
| Net earnings per share | |||||||
| Basic | |||||||
| Diluted |