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ASSET RETIREMENT OBLIGATIONS (Tables) | 12 Months Ended
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Dec. 31, 2018
ASSET RETIREMENT OBLIGATIONS |
Schedule of reclamation expense |
|  | Year ended December 31,
|  | 2018 |  | 2017 |  | 2016
Reclamation Adjustment reflecting updated estimates |  | $ | 2,259 |  | $ | 1,426 |  | $ | 89
Reclamation Accretion |  |  | 1,205 |  |  | 635 |  |  | 506
Total |  | $ | 3,464 |  | $ | 2061 |  | $ | 595
Schedule of reconciliation of asset retirement obligations |
|  | 2018 |  | 2017
Asset retirement obligation liability, beginning of the period |  | $ | 24,722 |  | $ | 9,843
Settlements |  |  | (392) |  |  | (126)
Accretion of liability |  |  | 1,205 |  |  | 635
Acquisitions and divestitures |  |  | — |  |  | 11,803
Adjustment reflecting updated estimates |  |  | 5,024 |  |  | 2,561
Foreign exchange revaluation |  |  | (1,157) |  |  | 6
Asset retirement obligation liability, ending balance |  | $ | 29,402 |  | $ | 24,722
Current portion |  |  | (734) |  |  | (646)
Non-current portion |  | $ | 28,668 |  | $ | 24,076

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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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