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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Narrative (Details) | Dec. 31, 2023 USD ($) | May 08, 2023 USD ($) goldEquivalentOunce | Dec. 31, 2022
--- | --- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration | $ 29,648,000 |  |
Hod Maden | Completion of Operational Milestones |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration | 25,200,000 | $ 30,000,000 |
Hod Maden | Delineation of New Reserves |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration |  | $ 84,000,000 |
Business combination, contingent consideration, liability, additional mineral reserves required |  | 500,000 |
Hod Maden | Excess Of The Project's Current Mineral Reserves And Resources |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration | $ 4,400,000 |  |
Measurement Input, Milestone Achievement and Discount Rate | Valuation Technique, Discounted Cash Flow | Hod Maden |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration, measurement input (as a percent) | 0.060 |  |
Measurement Input, Probability of Delineation of New Reserves | Valuation Technique, Discounted Cash Flow | Hod Maden |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Contingent consideration, measurement input (as a percent) | 0.100 |  |
Minimum | Measurement Input, Milestone Achievement and Discount Rate | Valuation Technique, Discounted Cash Flow | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Royalty Portfolio |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Deferred consideration, measurement input (as a percent) | 0.120 |  | 0.110
Maximum | Measurement Input, Milestone Achievement and Discount Rate | Valuation Technique, Discounted Cash Flow | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Royalty Portfolio |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Deferred consideration, measurement input (as a percent) | 0.125 |  | 0.125

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