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RECLAMATION AND REMEDIATION LIABILITIES - Reclamation and Accretion (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Reclamation obligations |  |  |
Reclamation adjustment reflecting updated estimates | $ 991 | $ 1,045 | $ (113)
Reclamation accretion | 2,354 | 2,405 | 1,901
Total | 3,345 | 3,450 | $ 1,788
Gold Bar Mine |  |  |
Reclamation obligations |  |  |
Reclamation adjustment reflecting updated estimates | 3,200 | 500 |
Tonkin Properties |  |  |
Reclamation obligations |  |  |
Reclamation adjustment reflecting updated estimates | 1,200 | 100 |
El Gallo Project |  |  |
Reclamation obligations |  |  |
Reclamation adjustment reflecting updated estimates | $ 1,300 |  |
Black Fox Complex |  |  |
Reclamation obligations |  |  |
Reclamation adjustment reflecting updated estimates |  | $ 600 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 35 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=6394232&loc=d3e17558-110866 + Details
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