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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Significant Accounting Policies [abstract] |
Disclosure of subsidiaries |
Name |  | Location |  | Ownership |  | Principal Activity
Minera Bateas S.A.C. ("Bateas") |  | Peru |  | 100% |  | Caylloma Mine
Compania Minera Cuzcatlan S.A. de C.V. ("Cuzcatlan") |  | Mexico |  | 100% |  | San Jose Mine
Mansfield Minera S.A. ("Mansfield") |  | Argentina |  | 100% |  | Lindero Project
Schedule of useful life of property, plant and equipment |
Land and buildings |  |  |  |
Land |  | Not depreciated |  |
Mineral properties |  | Units of production |  | Declining balance
Buildings, located at the mine |  | Units of production |  | Declining balance
Buildings, others (1) |  | 6-10 years |  | Straight line
Leasehold improvements (1) |  | 4-8 years |  | Straight line
Plant and equipment |  |  |  |
Machinery and equipment (1) |  | 3-12 years |  | Straight line
Furniture and other equipment (1) |  | 2-12 years |  | Straight line
Transport units |  | 4-5 years |  | Straight line
Capital work in progress |  | Not depreciated |  |
| (1) |  | The lesser of useful life or life of mine.
Schedule of Operating Lease Payments, by Assets |
Operating lease obligations as at December 31, 2018 |  | $ | 2,553
Leases with lease term of 12 months or less and low value assets |  |  | (825)
Embedded leases identified in existing service contracts |  |  | 6,162
Effect of discounting at incremental borrowing rate |  |  | (574)
Lease liabilities recognized as at January 1, 2019 |  |  | 7,316
Lease liabilities from finance leases previously recorded in lease obligations |  |  | 8,767
Total lease liabilities as at January 1, 2019 |  |  | 16,083
Less current portion |  |  | (6,120)
Non-current portion |  | $ | 9,963

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- Definition The disclosure of assets recognised by the entity as a result of engaging in finance leases. [Refer: Recognised finance lease as assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 31 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_31_a&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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- Definition The disclosure of subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 17 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_17_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_16_b&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B4 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B4_a&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
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