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RECLAMATION LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Asset Retirement Obligation [Abstract] |
Schedule of Change in Asset Retirement Obligation | Changes in Reclamation liabilities during the years ended December 31 were as follows (in thousands):
| 2021 |  | 2020
Balance, beginning of year | $ | 104,744 |  |  | $ | 80,838 |
Liabilities assumed on the acquisition of Alacer (1) |  | — |  |  |  | 26,154 |
Reclamation expenditures |  | (243) |  |  |  | (2,447) |
Accretion expense |  | 4,821 |  |  |  | 3,815 |
Additions, changes in estimate and other |  | 15,722 |  |  |  | (3,616) |
Balance, end of year | $ | 125,044 |  |  | $ | 104,744 |
Less: current portion |  | (2,384) |  |  |  | (2,023) |
Non-current reclamation liabilities | $ | 122,660 |  |  | $ | 102,721 |
(1)On September 16, 2020, the Company acquired Alacer, including Çöpler. Please refer to Note 3 for further details. The consideration included the assumption of reclamation liabilities of $26.2 million

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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