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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 06, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | May 23, 2023 | Dec. 31, 2022
Related Party Transactions |  |  |  |  |
Outstanding loan |  | $ 40,000 | $ 40,000 |  | $ 63,979
Third Amended And Restated Credit Agreement (ARCA) |  |  |  |  |
Related Party Transactions |  |  |  |  |
Outstanding loan |  |  |  | $ 40,000 |
Stated interest rate (as a percent) |  |  |  | 9.75% |
Affiliate of Robert McEwen | Third Amended And Restated Credit Agreement (ARCA) |  |  |  |  |
Related Party Transactions |  |  |  |  |
Outstanding loan |  |  |  | $ 40,000 |
Debt interest expense |  | $ 3,900 | $ 3,800 |  |
Stated interest rate (as a percent) |  | 9.75% |  |  |
Inventus Mining Corp. | Private placement |  |  |  |  |
Related Party Transactions |  |  |  |  |
Number of new units acquired | 10,000,000 |  |  |  |
Price per share | $ 0.03 |  |  |  |
Total investment | $ 300 |  |  |  |
Number of shares in each unit | 1 |  |  |  |
Number of warrants in each unit | 1 |  |  |  |

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