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Mineral Properties, Plant and Equipment - Carrying Value (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | $ 2,415,006 | $ 2,504,901 | $ 1,301,002
Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 5,452,665 | 5,181,329 |
Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (3,037,659) | (2,676,428) |
Mining assets [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 1,676,276 | 1,722,426 |
Mining assets [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 4,286,539 | 3,905,985 |
Mining assets [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (2,610,263) | (2,183,559) |
Mining assets [member] | Huaron mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 82,338 | 88,808 |
Mining assets [member] | Huaron mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 218,270 | 215,109 |
Mining assets [member] | Huaron mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (135,932) | (126,301) |
Mining assets [member] | Morococha mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 91,861 | 94,361 |
Mining assets [member] | Morococha mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 267,705 | 258,862 |
Mining assets [member] | Morococha mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (175,844) | (164,501) |
Mining assets [member] | Shahuindo mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 459,788 | 459,292 |
Mining assets [member] | Shahuindo mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 546,643 | 498,960 |
Mining assets [member] | Shahuindo mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (86,855) | (39,668) |
Mining assets [member] | La Arena mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 104,088 | 89,161 |
Mining assets [member] | La Arena mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 170,401 | 112,014 |
Mining assets [member] | La Arena mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (66,313) | (22,853) |
Mining assets [member] | Alamo Dorado mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 0 |
Mining assets [member] | Alamo Dorado mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 71,725 | 71,724 |
Mining assets [member] | Alamo Dorado mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (71,725) | (71,724) |
Mining assets [member] | La Colorada mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 143,935 | 162,125 |
Mining assets [member] | La Colorada mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 308,378 | 305,357 |
Mining assets [member] | La Colorada mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (164,443) | (143,232) |
Mining assets [member] | Dolores mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 480,613 | 516,472 |
Impairment charge | 748,900 | 748,900 |
Mining assets [member] | Dolores mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 1,709,105 | 1,608,334 |
Mining assets [member] | Dolores mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (1,228,492) | (1,091,862) |
Mining assets [member] | Manantial Espejo mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 28,590 | 3,776 |
Impairment charge | 173,300 | 173,300 |
Mining assets [member] | Manantial Espejo mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 513,626 | 371,677 |
Mining assets [member] | Manantial Espejo mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (485,036) | (367,901) |
Mining assets [member] | San Vicente mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 43,382 | 47,891 |
Mining assets [member] | San Vicente mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 144,790 | 143,251 |
Mining assets [member] | San Vicente mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (101,408) | (95,360) |
Mining assets [member] | Lakeshore mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 231,341 | 250,314 |
Mining assets [member] | Lakeshore mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 307,243 | 292,986 |
Mining assets [member] | Lakeshore mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (75,902) | (42,672) |
Mining assets [member] | Other [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 10,340 | 10,226 |
Mining assets [member] | Other [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 28,653 | 27,711 |
Mining assets [member] | Other [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (18,313) | (17,485) |
Land [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 5,504 | 4,261 |
Land [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 6,758 | 5,528 |
Land [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (1,254) | (1,267) |
Exploration and evaluation assets [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 738,730 | 782,475 |
Exploration and evaluation assets [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 1,166,126 | 1,275,344 |
Exploration and evaluation assets [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (427,396) | (492,869) |
Exploration and evaluation assets [member] | Morococha mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 5,054 | 7,213 |
Exploration and evaluation assets [member] | Morococha mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 5,054 | 7,213 |
Exploration and evaluation assets [member] | Morococha mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 0 |
Exploration and evaluation assets [member] | Shahuindo mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 6,079 | 15,586 |
Exploration and evaluation assets [member] | Shahuindo mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 6,079 | 15,586 |
Exploration and evaluation assets [member] | Shahuindo mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 0 |
Exploration and evaluation assets [member] | La Arena mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 117,000 | 117,000 |
Exploration and evaluation assets [member] | La Arena mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 117,000 | 117,000 |
Exploration and evaluation assets [member] | La Arena mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 0 |
Exploration and evaluation assets [member] | La Colorada mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 21,589 | 15,544 |
Exploration and evaluation assets [member] | La Colorada mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 21,589 | 15,544 |
Exploration and evaluation assets [member] | La Colorada mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 0 |
Exploration and evaluation assets [member] | Lakeshore mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 71,099 | 87,747 |
Exploration and evaluation assets [member] | Lakeshore mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 71,099 | 87,747 |
Exploration and evaluation assets [member] | Lakeshore mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 0 |
Exploration and evaluation assets [member] | Other [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 20,539 | 20,199 |
Exploration and evaluation assets [member] | Other [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 32,533 | 31,866 |
Exploration and evaluation assets [member] | Other [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (11,994) | (11,667) |
Exploration and evaluation assets [member] | Navidad project [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 190,476 | 190,476 |
Impairment charge | 376,100 | 376,100 |
Exploration and evaluation assets [member] | Navidad project [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 566,577 | 566,577 |
Exploration and evaluation assets [member] | Navidad project [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (376,101) | (376,101) |
Exploration and evaluation assets [member] | Escobal mine [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 258,126 | 249,353 |
Exploration and evaluation assets [member] | Escobal mine [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 259,198 | 249,353 |
Exploration and evaluation assets [member] | Escobal mine [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (1,072) | 0 |
Exploration and evaluation assets [member] | Minefinders project [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 43,264 | 46,104 |
Exploration and evaluation assets [member] | Minefinders project [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 80,239 | 83,079 |
Exploration and evaluation assets [member] | Minefinders project [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | (36,975) | (36,975) |
Exploration and evaluation assets [member] | Argentine projects [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 28,992 |
Exploration and evaluation assets [member] | Argentine projects [member] | Gross carrying amount [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | 0 | 95,851 |
Exploration and evaluation assets [member] | Argentine projects [member] | Accumulated depreciation, amortisation and impairment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Mineral properties, plant and equipment | $ 0 | $ (66,859) |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e_v&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_98_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_a&doctype=Standard -URIDate 2020-01-01 + Details
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