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RECLAMATION AND REMEDIATION LIABILITIES | 12 Months Ended
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Dec. 31, 2024
Asset Retirement Obligation [Abstract] |
RECLAMATION AND REMEDIATION LIABILITIES | RECLAMATION AND REMEDIATION LIABILITIES The Company is subject to various domestic and international laws and regulations governing the protection of the environment. These laws and regulations are continually changing and are generally becoming more restrictive. Estimated future reclamation costs are based principally on current legal and regulatory requirements. Changes in Reclamation and remediation liabilities during the years ended December 31 were as follows (in thousands):
| 2024 |  | 2023
| Reclamation |  | Remediation |  | Total |  | Reclamation |  | Remediation |  | Total
Balance as of January 1 | $ | 173,819 |  |  | $ | — |  |  | $ | 173,819 |  |  | $ | 164,047 |  |  | $ | — |  |  | $ | 164,047 |
Additions, changes in estimate and other |  | 30,314 |  |  |  | 261,674 |  |  |  | 291,988 |  |  |  | 3,742 |  |  |  | — |  |  |  | 3,742 |
Expenditures |  | (3,867) |  |  |  | (125,760) |  |  |  | (129,627) |  |  |  | (1,466) |  |  |  | — |  |  |  | (1,466) |
Accretion expense |  | 9,657 |  |  |  | — |  |  |  | 9,657 |  |  |  | 8,698 |  |  |  | — |  |  |  | 8,698 |
Obligations related to divested properties |  | — |  |  |  | — |  |  |  | — |  |  |  | (1,202) |  |  |  | — |  |  |  | (1,202) |
Balance as of December 31 | $ | 209,923 |  |  | $ | 135,914 |  |  | $ | 345,837 |  |  | $ | 173,819 |  |  | $ | — |  |  | $ | 173,819 |
Less: current portion |  | (6,332) |  |  |  | (26,834) |  |  |  | (33,166) |  |  |  | (3,364) |  |  |  | — |  |  |  | (3,364) |
Non-current reclamation liabilities | $ | 203,591 |  |  | $ | 109,080 |  |  | $ | 312,671 |  |  | $ | 170,455 |  |  | $ | — |  |  | $ | 170,455 |
The following table includes the components of Reclamation and remediation costs for the years ended December 31 (in thousands):
|  | Year Ended December 31,
|  |  | 2024 |  |  | 2023 |  |  | 2022
Reclamation adjustments and other |  | $ | 25,540 |  |  | $ | — |  |  | $ | — |
Reclamation accretion |  |  | 9,657 |  |  |  | 8,698 |  |  |  | 6,035 |
Total reclamation costs |  |  | 35,197 |  |  |  | 8,698 |  |  |  | 6,035 |
Remediation adjustments and other |  |  | 261,674 |  |  |  | — |  |  |  | — |
Remediation accretion |  |  | — |  |  |  | — |  |  |  | — |
Total remediation costs |  |  | 261,674 |  |  |  | — |  |  |  | — |
Total reclamation and remediation costs |  | $ | 296,871 |  |  | $ | 8,698 |  |  | $ | 6,035 |
Reclamation liabilities During the year ended December 31, 2024, reclamation adjustments related to changes in estimate were primarily comprised of an increase of $13.6 million at Çöpler and $19.5 million at Puna. The increase at Çöpler is primarily related to the revision in the timing and extent of the closure of the heap leach pad as a result of the Çöpler Incident. See Note 3 for further information relating to changes of the reclamation liability at Çöpler. The increase at Puna is primarily related to revisions in cost estimate assumptions associated with water management and tailings storage facilities at Pirquitas, which is not an active mining area and has no substantive future economic value, resulting in $14.3 million recorded in Reclamation and remediation costs in the Consolidated Statements of Operations. During the year ended December 31, 2023, reclamation adjustments related to changes in estimate were primarily comprised of $2.3 million at Çöpler, $1.4 million at Seabee, $1.4 million at Puna, partially offset by a decrease of $1.1 million at Marigold. These adjustments were related to increases in unit cost rates for labor and equipment and change in the scope and timing of reclamation and closure activities due to disturbance. Remediation liabilities During the first quarter of 2024, the Company recorded a remediation liability of $261.7 million as a result of the Çöpler Incident. See Note 3 for further information relating to changes of the reclamation liability at Çöpler.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service 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 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/410-20/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 20 -Topic 410 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-2 + Details
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