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Closure and Reclamation Provisions | 12 Months Ended
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Dec. 31, 2020
Closure and Reclamation Provisions [abstract] |
Closure and Reclamation Provisions | 19. Closure and Reclamation Provisions The following table summarizes the changes in closure and reclamation provisions:
|  | Closure and Reclamation Provisions
|  | Caylloma Mine |  | San Jose Mine |  | Lindero Mine |  | Total
Balance at December 31, 2019 |  | $ | 11,324 |  | $ | 4,848 |  | $ | 14,953 |  | $ | 31,125
Changes in estimate |  |  | 3,288 |  |  | 1,328 |  |  | 4,482 |  |  | 9,098
Reclamation expenditures |  |  | (114) |  |  | (227) |  |  | - |  |  | (341)
Accretion |  |  | 256 |  |  | 249 |  |  | 249 |  |  | 754
Effect of changes in foreign exchange rates |  |  | 7 |  |  | (293) |  |  | - |  |  | (286)
Balance at December 31, 2020 |  |  | 14,761 |  |  | 5,905 |  |  | 19,684 |  |  | 40,350
Less: Current portion |  |  | (142) |  |  | (238) |  |  | - |  |  | (380)
Non-current portion |  | $ | 14,619 |  | $ | 5,667 |  | $ | 19,684 |  | $ | 39,970
|  | Closure and Reclamation Provisions
|  | Caylloma Mine |  | San Jose Mine |  | Lindero Mine |  | Total
Balance at December 31, 2018 |  | $ | 10,800 |  | $ | 3,716 |  | $ | 1,427 |  | $ | 15,943
Changes in estimate |  |  | 394 |  |  | 886 |  |  | 13,390 |  |  | 14,670
Reclamation expenditures |  |  | (201) |  |  | (150) |  |  | - |  |  | (351)
Accretion |  |  | 331 |  |  | 259 |  |  | 136 |  |  | 726
Effect of changes in foreign exchange rates |  |  | - |  |  | 137 |  |  | - |  |  | 137
Balance at December 31, 2019 |  |  | 11,324 |  |  | 4,848 |  |  | 14,953 |  |  | 31,125
Less: Current portion |  |  | (3,048) |  |  | (209) |  |  | - |  |  | (3,257)
Non-current portion |  | $ | 8,276 |  | $ | 4,639 |  | $ | 14,953 |  | $ | 27,868
Closure and reclamation provisions represent the present value of reclamation costs related to mine and development sites. For the year ended December 31, 2020, the Company updated the reclamation and closure plan of its Caylloma mine which includes a $3,179 increase related to additional tailings reclamation.
|  | Closure and Reclamation Provisions
|  | Caylloma Mine |  | San Jose Mine |  | Lindero Mine |  | Total
Anticipated settlement date |  |  | 2021 - 2032 |  |  | 2025 - 2037 |  |  | 2029 - 2042 |  |  |
Undiscounted uninflated estimated cash flow |  | $ | 14,899 |  | $ | 6,864 |  | $ | 17,946 |  | $ | 39,709
Estimated life of mine (years) |  |  | 7 |  |  | 5 |  |  | 13 |  |  |
Discount rate |  |  | 2.25% |  |  | 5.25% |  |  | 1.45% |  |  |
Inflation rate |  |  | 2.00% |  |  | 3.52% |  |  | 2.06% |  |  |
The Company is expecting to incur annual reclamation expenses throughout the life of its mines.

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