EQUITY METHOD INVESTMENTS - Changes in Company's Investment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Change in the investment in MSC
Investment, beginning of year	$ 326,147
Additional investment in McEwen Copper	14,000
Dilution gain from investments in McEwen Copper Inc.	5,777
Deconsolidation of McEwen Copper	86,800
Income tax recovery	3,048	$ (33,859)	$ (5,806)
Investment, end of year	298,947	326,147
McEwen Copper
Change in the investment in MSC
Investment, beginning of year	326,147
Additional investment in McEwen Copper	14,000
Dilution gain from investments in McEwen Copper Inc.	5,777
Deconsolidation of McEwen Copper		383,968
Attributable net income from MSC	(46,977)	(57,821)
Investment, end of year	298,947	326,147
Minera Santa Cruz S.A.
Change in the investment in MSC
Investment, beginning of year	93,218	93,451
Attributable net income from MSC	12,072	4,157
Amortization of fair value increments	(3,088)	(4,612)
Income tax recovery	37	517
Dividend distribution received	(385)	(295)
Investment, end of year	$ 101,854	$ 93,218	$ 93,451

Represents the amortization of fair value increments from the equity method investments.

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The dilution gain associated with the equity method investment.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of the period.

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee, before amortization, to which the equity method of accounting is applied.

+ References

No definition available.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

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