Additional information on the consolidated statements of income - Disclosure of detailed information about cost of sales (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Additional Information On Consolidated Statements Of Loss Line Items | ||
| Cost of sales | $ 9,115 | $ 6,738 |
| Royalty interests [Member] | ||
| Additional Information On Consolidated Statements Of Loss Line Items | ||
| Cost of sales | 701 | 413 |
| Stream interests [Member] | ||
| Additional Information On Consolidated Statements Of Loss Line Items | ||
| Cost of sales | $ 8,414 | $ 6,325 |