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ASSET RETIREMENT OBLIGATIONS - Reclamation and Accretion (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Reclamation obligations |  |  |
Asset retirement obligation | $ 46,063 | $ 43,021 | $ 41,846
Gold Bar Mine and Tonkin And Lookout Mountain In Aggregate |  |  |
Reclamation obligations |  |  |
Asset retirement obligation | 22,400 | 20,600 |
Fox Complex |  |  |
Reclamation obligations |  |  |
Asset retirement obligation | 16,700 | 14,400 |
El Gallo Mine |  |  |
Reclamation obligations |  |  |
Asset retirement obligation | $ 7,000 | $ 8,000 |

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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481999/410-20-25-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
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