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v3.24.0.1

ACQUISITIONS AND DIVESTITURES - Divestitures (Details) $ / shares in Units, $ in Thousands |  |  |  | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 22, 2023 USD ($) right shares | Jul. 06, 2022 USD ($) $ / shares shares | Oct. 21, 2021 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2024 USD ($) | Dec. 22, 2023 $ / shares
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Asset acquisition, deferred tax liability |  |  |  |  | $ 687 | $ 0 |  |  |
Gain on sale of assets |  |  |  |  | (762) | $ 746 | $ 0 |  |
Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | Impairment charges |  |  |  |  |  |
EMX Common Share |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Liabilities held for sale |  |  |  |  | 1,431 |  |  |  |
EMX Common Share | Level 2 |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Liabilities held for sale |  |  |  |  | 1,431 |  |  |  |
Pitarrilla Project | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Consideration in cash |  | $ 35,000 |  |  |  |  |  |  |
Consideration in equity |  | $ 25,600 |  |  |  |  |  |  |
Consideration in equity (in shares) | shares |  | 8,577,380 |  |  |  |  |  |  |
Share price (in dollars per share) | $ / shares |  | $ 2.99 |  |  |  |  |  |  |
Gain on sale of assets |  | $ 600 |  |  |  |  |  |  |
Pitarrilla Project | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Smelter |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Royalty fee (as a percent) |  | 1.25% |  |  |  |  |  |  |
Royalty Portfolio | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Consideration in cash |  |  | $ 87,900 |  |  |  |  |  |
Carrying value |  |  | 83,900 |  |  |  |  |  |
Loss on impairment |  |  |  | $ 22,300 |  |  |  |  |
Gain (loss) on disposal |  |  | 2,100 |  |  |  |  |  |
Transaction costs |  |  | $ 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 | shares | 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
Proceeds from fees received | $ 8,700 |  |  |  |  |  |  |  |
Royalty Portfolio | Disposal Group, Disposed of by Sale, Not Discontinued Operations | EMX Common Share | Secondary Offering | Level 2 |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Liabilities held for sale | $ 1,400 |  |  |  |  |  |  |  |
Royalty Portfolio | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Measurement Input, Discount Rate |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Deferred consideration, rate (as a percent) |  |  | 0.125 |  |  |  |  |  |
San Luis Project | Disposal Group, Held-for-Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Asset acquisition, exploration and evaluation assets |  |  |  |  | 800 |  |  |  |
Asset acquisition, deferred tax liability |  |  |  |  | $ 700 |  |  |  |
San Luis Project | Disposal Group, Held-for-Sale, Not Discontinued Operations | Forecast |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Consideration in cash |  |  |  |  |  |  |  | $ 5,000 |
Contingent payment |  |  |  |  |  |  |  | $ 37,500 |
San Luis Project | Disposal Group, Held-for-Sale, Not Discontinued Operations | Smelter | Forecast |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Royalty fee (as a percent) |  |  |  |  |  |  |  | 4.00% |

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