For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

The average forward price on the group of price risk forward or futures contracts, such as gas futures contracts.

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- Definition

Nominal mass used to calculate payments on a derivative instrument.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Net fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities.

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REVENUE - Narrative (Details) oz in Millions, lb in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) lb oz $ / Ounce $ / pound	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Concentrate Metal Sales Agreement
Disaggregation of Revenue [Line Items]
Embedded derivative, increase (decrease) of value \| $	$ 11.5	$ 2.8	$ (1.0)
Silver \| Concentrate Metal Sales Agreement
Disaggregation of Revenue [Line Items]
Notional ounce/tonnes \| oz	5.7
Average price per ounce/tonnes (in dollars per share) \| $ / Ounce	23.81
Lead \| Concentrate Metal Sales Agreement
Disaggregation of Revenue [Line Items]
Notional ounce/tonnes \| lb	25.0
Average price per ounce/tonnes (in dollars per share) \| $ / pound	0.96
Zinc \| Concentrate Metal Sales Agreement
Disaggregation of Revenue [Line Items]
Notional ounce/tonnes \| lb	3.0
Average price per ounce/tonnes (in dollars per share) \| $ / pound	1.14
Customer Concentration Risk \| Revenue Benchmark \| Central Bank of Türkiye \| Gold Dore
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	31.00%	31.00%	41.00%
Customer Concentration Risk \| Revenue Benchmark \| CIBC \| Gold Dore
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	33.00%	28.00%	30.00%
Customer Concentration Risk \| Revenue Benchmark \| Bank of Montreal \| Gold Dore
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)		16.00%