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ÇÖPLER INCIDENT - Changes in Reclamation and Remediation Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |
Beginning balance | $ 173,819 | $ 173,819 | $ 164,047
Expenditures |  | (129,627) | (1,466)
Ending balance |  | 345,837 | 173,819
Less: current portion |  | 33,166 | 3,364
Non-current reclamation and remediation liabilities |  | 312,671 | 170,455
Reclamation |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |
Beginning balance | 173,819 | 173,819 | 164,047
Expenditures |  | (3,867) | (1,466)
Ending balance |  | 209,923 | 173,819
Less: current portion |  | 6,332 | 3,364
Non-current reclamation and remediation liabilities |  | 203,591 | 170,455
Remediation |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |
Beginning balance | 0 | 0 | 0
Expenditures |  | (125,760) | 0
Ending balance |  | 135,914 | 0
Less: current portion |  | 26,834 | 0
Non-current reclamation and remediation liabilities |  | 109,080 | 0
Çöpler Incident |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |
Beginning balance | 0 | 0 |
Initial estimate of reclamation and remediation costs | 22,500 | 272,903 |
Expenditures |  | (127,645) |
Ending balance |  | 145,258 | 0
Less: current portion |  | 33,112 |
Non-current reclamation and remediation liabilities |  | 112,146 |
Çöpler Incident | Reclamation |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |
Beginning balance | 0 | 0 |
Initial estimate of reclamation and remediation costs |  | 11,229 |
Expenditures |  | (1,885) |
Ending balance |  | 9,344 | 0
Less: current portion |  | 6,278 |
Non-current reclamation and remediation liabilities |  | 3,066 |
Çöpler Incident | Remediation |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |
Beginning balance | 0 | 0 |
Initial estimate of reclamation and remediation costs | $ 261,700 | 261,674 |
Expenditures |  | (125,760) |
Ending balance |  | 135,914 | $ 0
Less: current portion |  | 26,834 |
Non-current reclamation and remediation liabilities |  | $ 109,080 |

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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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- Definition Current portion of 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/2009/role/commonPracticeRef -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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- Definition Noncurrent portion of 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/2009/role/commonPracticeRef -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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