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RECLAMATION AND REMEDIATION LIABILITIES - Reclamation and Accretion (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reclamation obligations |  |  |
Reclamation adjustment reflecting updated estimates | $ 157 | $ 991 | $ 1,045
Reclamation accretion | 2,536 | 2,354 | 2,405
Total | $ 2,693 | $ 3,345 | $ 3,450

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- Definition Gross amount of expense recognized during the period that is associated with an asset retirement obligation. + References No definition available. + Details
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- Definition Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 35 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481639/420-10-35-4 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 + Details
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