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ACQUISITIONS AND DIVESTITURES - Divestitures (Details) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
May 23, 2024 USD ($) installment | Dec. 22, 2023 right $ / shares shares | Jul. 06, 2022 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) shares | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Gain (loss) on disposal |  |  |  | $ 3,245 | $ (762) | $ 746
EMX Common Share |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Discontinued operation, liabilities |  |  |  |  | 1,431 |
EMX Common Share | Level 2 |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Discontinued operation, liabilities |  |  |  |  | $ 1,431 |
San Luis Project | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration in cash | $ 5,000 |  |  |  |  |
Contingent payment | 37,500 |  |  |  |  |
Gain (loss) on disposal | 6,700 |  |  |  |  |
Contingent consideration | $ 2,400 |  |  |  |  |
Number of installments | installment | 6 |  |  |  |  |
Royalty fee (as a percent) | 4.00% |  |  |  |  |
Royalty fee, available for repurchase | $ 15,000 |  |  |  |  |
Royalty Portfolio | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Sale of stock, number of shares issued in transaction (in shares) | shares |  |  |  | 4,217,119 |  |
Sale of stock, consideration received on transaction |  |  |  | $ 6,900 |  |
Gain on sale of assets |  |  |  | 1,300 |  |
Royalty Portfolio | Disposal Group, Disposed of by Sale, Not Discontinued Operations | EMX Common Share | Secondary Offering |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Gain (loss) on disposal |  |  |  | (2,900) |  |
Sale of stock, number of shares issued in transaction (in shares) | shares |  | 6,161,524 |  |  |  |
Sale of stock, price (in canadian dollars per share) | $ / shares |  | $ 1.93 |  |  |  |
Conversion ratio |  | 1 |  |  |  |
Number of rights to purchase additional shares | right |  | 1 |  |  |  |
Sale of stock, option, price per share (in canadian dollars per share) | $ / shares |  | $ 2.27 |  |  |  |
Sale of stock, consideration received on transaction |  |  |  | 8,700 |  |
Royalty Portfolio | Disposal Group, Disposed of by Sale, Not Discontinued Operations | EMX Common Share | Secondary Offering | Level 2 |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Discontinued operation, liabilities |  |  |  | $ 1,400 |  |
Pitarrilla Project | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Consideration in cash |  |  | $ 35,000 |  |  |
Royalty fee (as a percent) |  |  | 1.25% |  |  |
Gain on sale of assets |  |  | $ 600 |  |  |
Consideration in equity |  |  | $ 25,600 |  |  |
Consideration in equity (in shares) | shares |  |  | 8,577,380 |  |  |
Share price (in dollars per share) | $ / shares |  |  | $ 2.99 |  |  |

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