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Derivative Financial Instruments - Summary of Provisionally Priced Sales (Details) - Gold concentrates sales agreements $ in Thousands | Mar. 31, 2021 USD ($) oz $ / oz
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2018 |
Derivative instruments Settlement |
Derivative average price | $ / oz | 1,782
Notional Amount Derivative | $ | $ 21,630
Outstanding Provisionally Priced Sales Consists of Gold | oz | 12,137
2022 and Thereafter |
Derivative instruments Settlement |
Derivative average price | $ / oz | 0
Notional Amount Derivative | $ | $ 0
Outstanding Provisionally Priced Sales Consists of Gold | oz | 0

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