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Closure and Rehabilitation Provisions (Schedule of Closure and Rehabilitation Provisions) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of other provisions [line items] |  |
Current portion | $ 841 | $ 1,656
Non-current provisions | 15,102 | 12,577
Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 14,233 | 13,212
Changes in estimate | 1,538 | 910
Incurred and charged against the provision | (682) | (793)
Accretion | 852 | 684
Effect of foreign exchange changes | 2 | 220
Balance at ending | 15,943 | 14,233
Current portion | 841 | 1,656
Non-current provisions | 15,102 | 12,577
Caylloma M&I Property [member] | Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 9,624 | 8,182
Changes in estimate | 1,266 | 1,761
Incurred and charged against the provision | (559) | (623)
Accretion | 469 | 304
Balance at ending | 10,800 | 9,624
Current portion | 682 | 1,533
Non-current provisions | 10,118 | 8,091
San Jose M&I Property [member] | Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 4,100 | 4,822
Changes in estimate | (624) | (1,152)
Incurred and charged against the provision | (123) | (170)
Accretion | 361 | 380
Effect of foreign exchange changes | 2 | 220
Balance at ending | 3,716 | 4,100
Current portion | 159 | 123
Non-current provisions | 3,557 | 3,977
Lindero Project [member] | Provision for decommissioning, restoration and rehabilitation costs [member] |  |
Disclosure of other provisions [line items] |  |
Balance at beginning | 509 | 208
Changes in estimate | 896 | 301
Accretion | 22 |
Balance at ending | 1,427 | 509
Non-current provisions | $ 1,427 | $ 509

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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 2017-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_84&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The increase in other provisions through adjustments arising from the passage of time. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 84 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_84_e&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The increase (decrease) in other provisions resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 84 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_84&doctype=Standard -URIDate 2017-03-09 + Details
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