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Inventories (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of inventories [Line Items] |  |
Total inventories | $ 430,546 | $ 370,716
Less: current portion of inventories | (406,191) | (346,507)
Non-current portion of inventories | 24,355 | 24,209
Costs of inventories recognized as expense | 978,635 | 1,121,471
Production costs | 696,672 | 841,297
Depreciation and amortisation expense | 254,469 | 253,453
NRV adjustments to inventory | (16,200) | (400)
Inventories, at net realisable value | 215,500 | 151,500
Escobal mine [member] |  |
Disclosure of inventories [Line Items] |  |
Supplies | 17,100 | 16,900
Concentrate [member] |  |
Disclosure of inventories [Line Items] |  |
Total inventories | 19,104 | 17,433
Stockpile ore [member] |  |
Disclosure of inventories [Line Items] |  |
Total inventories | 30,063 | 27,708
Non-current portion of inventories | 2,700 | 1,200
Stockpile ore [member] | Manantial Espejo and Dolores mines [member] |  |
Disclosure of inventories [Line Items] |  |
Impairment charge |  | 5,000
Stockpile ore [member] | Manantial Espejo mine [member] |  |
Disclosure of inventories [Line Items] |  |
Impairment charge | 2,000 |
Heap leach and in process [member] |  |
Disclosure of inventories [Line Items] |  |
Total inventories | 219,334 | 169,751
Non-current portion of inventories | 147,000 | 74,500
Heap leach and in process [member] | Manantial Espejo and Dolores mines [member] |  |
Disclosure of inventories [Line Items] |  |
Impairment charge | 26,200 | 39,300
Dore and finished [member] |  |
Disclosure of inventories [Line Items] |  |
Total inventories | 77,489 | 67,820
Dore and finished [member] | Manantial Espejo and Dolores mines [member] |  |
Disclosure of inventories [Line Items] |  |
Impairment charge |  | 2,900
Dore and finished [member] | Dolores mine [member] |  |
Disclosure of inventories [Line Items] |  |
Impairment charge | 2,900 |
Materials and supplies [member] |  |
Disclosure of inventories [Line Items] |  |
Total inventories | $ 84,556 | $ 88,004

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- Definition The amount of costs relating to expenses directly or indirectly attributed to the goods or services sold, which may include, but are not limited to, costs previously included in the measurement of inventory that has now been sold, unallocated production overheads and abnormal amounts of production costs of inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 99 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_99&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_103&doctype=Standard -URIDate 2020-01-01 + Details
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