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ACQUISITIONS AND DIVESTITURES - Pitarrilla (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jul. 06, 2022 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($)
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |
Gain on sale of assets |  | $ 0 | $ 629 | $ 0 | $ 629
Pitarrilla Project | Disposal Group, Disposed of by Sale |  |  |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |  |  |
Consideration in cash | $ 35,000 |  |  |  |
Consideration in equity | $ 25,600 |  |  |  |
Consideration price (in shares) | shares | 8,577,380 |  |  |  |
Consideration price (in dollars per share) | $ / shares | $ 2.99 |  |  |  |
Royalty fee (as a percent) | 0.0125 |  |  |  |
Gain on sale of assets | $ 600 |  |  |  |

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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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