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RECLAMATION LIABILITIES | 12 Months Ended
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Dec. 31, 2021
Asset Retirement Obligation [Abstract] |
RECLAMATION LIABILITIES | RECLAMATION 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 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 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
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