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Other (expense) income and finance costs (Tables) | 12 Months Ended
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Dec. 31, 2021
Analysis of income and expense [abstract] |
Other (expense) income |
(a) Other income (expense) | December 31, 2021 |  | December 31, 2020
Interest income and other income | $ | 2,830 |  |  | $ | 1,310 |
Gain on disposal of mining licenses | 7,296 |  |  | — |
Flow-through shares renouncement | 3,702 |  |  | — |
Asset retirement obligation provision for closed facility | (1,566) |  |  | — |
Loss on disposal of assets | (2,318) |  |  | (4,631) |
| $ | 9,944 |  |  | $ | (3,321) |
Finance costs |
(b) Finance costs | December 31, 2021 |  | December 31, 2020
Interest cost on senior notes due 2029 | $ | 11,008 |  |  | $ | — |
Interest cost on senior secured notes due 2024 | 17,014 |  |  | 29,486 |
Interest cost on term loan | 2,456 |  |  | 6,380 |
Other interest and financing costs | 4,131 |  |  | 4,380 |
Senior secured notes redemption premium | 21,400 |  |  | 6,275 |
Amortization of discount and transaction costs of senior secured notes and TARCA due to early redemption | 9,700 |  |  | 2,286 |
Loss (gain) on redemption option derivative (Note 17(a)) | 2,685 |  |  | (1,760) |
Interest expense on lease liabilities | 2,003 |  |  | 1,934 |
Asset retirement obligation accretion | 1,412 |  |  | 1,893 |
| $ | 71,809 |  |  | $ | 50,874 |

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- Definition The disclosure of finance cost. [Refer: Finance costs] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The disclosure of other operating income. [Refer: Other operating income (expense)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard -URIDate 2021-03-24 + Details
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