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Additional Comprehensive Income (Loss) Detail (Tables) | 9 Months Ended
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Sep. 30, 2023
Other Income and Expenses [Abstract] |
Schedule of Other Operating Cost and Expense, by Component | Pre-development, reclamation, and other consists of the following:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
In thousands | 2023 |  | 2022 |  | 2023 |  | 2022 |  |
COVID-19 | $ | 14 |  |  | $ | 294 |  |  | $ | 92 |  |  | $ | 1,585 |  |  |
Silvertip ongoing carrying costs | 2,780 |  |  | 4,628 |  |  | 13,569 |  |  | 15,542 |  |  |
Asset retirement accretion | 4,153 |  |  | 3,597 |  |  | 12,219 |  |  | 10,588 |  |  |
Other | 1,733 |  |  | 730 |  |  | 3,738 |  |  | 2,124 |  |  |
Pre-development, reclamation and other | $ | 8,680 |  |  | $ | 9,249 |  |  | $ | 29,618 |  |  | $ | 29,839 |  |  |
Schedule of Other Nonoperating Income (Expense) | Other, net consists of the following:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
In thousands | 2023 |  | 2022 |  | 2023 |  | 2022 |  |
Foreign exchange gain (loss) | $ | 421 |  |  | $ | 93 |  |  | $ | (107) |  |  | $ | (972) |  |  |
Gain (loss) on sale of assets(1) | (19) |  |  | (87) |  |  | (12,650) |  |  | 2,365 |  |  |
RMC bankruptcy distribution | — |  |  | — |  |  | 1,516 |  |  | — |  |  |
Other | 57 |  |  | 147 |  |  | 820 |  |  | 810 |  |  |
Other, net | $ | 459 |  |  | $ | 153 |  |  | $ | (10,421) |  |  | $ | 2,203 |  |  |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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- Definition Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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