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REVENUE - Narrative (Details) oz in Millions, lb in Millions, $ in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) lb oz $ / Ounce $ / pound | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Concentrate Metal Sales Agreement |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Embedded derivative, increase (decrease) of value | $ | $ 2.8 | $ (1.0) | $ (1.5)
Silver | Concentrate Metal Sales Agreement |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Notional ounce/tonnes | oz | 4.4 |  |
Average price per ounce/tonnes (in dollars per share) | $ / Ounce | 20.59 |  |
Zinc | Concentrate Metal Sales Agreement |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Notional ounce/tonnes | lb | 2.0 |  |
Average price per ounce/tonnes (in dollars per share) | $ / pound | 1.39 |  |
Lead | Concentrate Metal Sales Agreement |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Notional ounce/tonnes | lb | 19.1 |  |
Average price per ounce/tonnes (in dollars per share) | $ / pound | 0.91 |  |
Customer Concentration Risk | Revenue Benchmark | Central Bank of Türkiye | Gold Dore |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 31.00% | 41.00% | 24.00%
Customer Concentration Risk | Revenue Benchmark | CIBC | Gold Dore |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 28.00% | 30.00% | 45.00%
Customer Concentration Risk | Revenue Benchmark | Bank of Montreal | Gold Dore |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 16.00% |  | 14.00%

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