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RECLAMATION PROVISION (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
RECLAMATION PROVISION |  |
Long-term, beginning of year | $ 722,449 |
Current, beginning of year | 7,547 |
Reclassification from long-term to current, end of year | (23,508) | $ (7,547)
Long-term, end of year | 878,328 | 722,449
Asset retirement obligation |  |
RECLAMATION PROVISION |  |
Long-term, beginning of year | 706,958 | 635,648
Current, beginning of year | 4,547 | 11,320
Current year additions and changes in estimate, net | 217,506 | 72,181
Current year accretion | 15,951 | 6,554
Liabilities settled | (16,850) | (3,213)
Foreign exchange revaluation | (40,666) | (10,985)
Reclassification from long-term to current, end of year | (22,127) | (4,547)
Long-term, end of year | 865,319 | 706,958
Asset retirement obligation | Kirkland Lake |  |
RECLAMATION PROVISION |  |
Current year additions and changes in estimate, net | 180,400 |
Environmental remediation liability |  |
RECLAMATION PROVISION |  |
Long-term, beginning of year | 15,491 | 16,135
Current, beginning of year | 3,000 | 3,950
Current year additions and changes in estimate, net |  | 1,048
Liabilities settled | (3,058) | (2,816)
Foreign exchange revaluation | (1,043) | 174
Reclassification from long-term to current, end of year | (1,381) | (3,000)
Long-term, end of year | $ 13,009 | $ 15,491
Minimum | Discount rate. |  |
RECLAMATION PROVISION |  |
Discount rate used | 3.16% | 0.36%
Maximum | Discount rate. |  |
RECLAMATION PROVISION |  |
Discount rate used | 4.34% | 1.56%

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