Supplemental Disclosure With Respect to Cash Flows - Schedule of Other Cash Information (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Supplemental Cash Flow Information [Abstract] | ||
| Interest received on cash deposits | $ 2,728 | $ 5,450 |
| Interest paid | (721) | (4) |
| Non-cash investing and financing activities | ||
| Total non-cash changes to mineral properties, plant and equipment composed of: | 59,924 | 12,178 |
| Capitalization of stock-based compensation | 626 | 2,878 |
| Capitalization of depreciation | 2,419 | 376 |
| Capitalization of interest on the Orion Investment | 7,638 | 0 |
| Capitalization of non-cash interest | 221 | 122 |
| Deposits on long-lead equipment and other long-term prepaids | 24,058 | 11,121 |
| Other non-cash transactions including working capital changes | 24,962 | (2,319) |
| Right-of-use assets obtained in exchange for new operating lease liabilities | $ 34 | $ 719 |