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Inventory and Ore on Leach Pads - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Inventory [Line Items] |  |
Inventory Write-down | $ 7,595 | $ 0
Rochester [Member] |  |
Inventory [Line Items] |  |
Inventory Write-down | 8,600 |
Rochester [Member] | Amortization |  |
Inventory [Line Items] |  |
Inventory Write-down | 1,000 |
Rochester [Member] | Cost of Sales |  |
Inventory [Line Items] |  |
Inventory Write-down | $ 7,600 |

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- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314 + Details
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