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Closure and Reclamation Provisions (Schedule of Closure and Rehabilitation Provisions) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of other provisions [line items] |  |
Current portion | $ 3,257 | $ 841
Non-current provisions | 27,868 | 15,102
Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 15,943 | 14,233
Changes in estimate | 14,670 | 1,538
Incurred and charged against the provision | (351) | (682)
Accretion | 726 | 852
Effect of foreign exchange changes | 137 | 2
Balance at ending | 31,125 | 15,943
Current portion | 3,257 | 841
Non-current provisions | 27,868 | 15,102
Caylloma M&I Property [member] | Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 10,800 | 9,624
Changes in estimate | 394 | 1,266
Incurred and charged against the provision | (201) | (559)
Accretion | 331 | 469
Balance at ending | 11,324 | 10,800
Current portion | 3,048 | 682
Non-current provisions | 8,276 | 10,118
San Jose M&I Property [member] | Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 3,716 | 4,100
Changes in estimate | 886 | (624)
Incurred and charged against the provision | (150) | (123)
Accretion | 259 | 361
Effect of foreign exchange changes | 137 | 2
Balance at ending | 4,848 | 3,716
Current portion | 209 | 159
Non-current provisions | 4,639 | 3,557
Lindero Project [member] | Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 1,427 | 509
Changes in estimate | 13,390 | 896
Accretion | 136 | 22
Balance at ending | 14,953 | 1,427
Non-current provisions | $ 14,953 | $ 1,427

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- Definition The increase (decrease) in other provisions resulting from foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2018-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84&doctype=Standard -URIDate 2018-03-16 + Details
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