EQUITY INVESTMENTS - Changes in Company's Investment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Change in the investment in MSC
Investment, beginning of year	$ 326,147
Income tax recovery	2,557	$ 536
Investment, end of year	308,135		$ 326,147
McEwen Copper
Change in the investment in MSC
Investment, beginning of year	326,147
Deconsolidation			383,968
Attributable net (loss) income	(18,012)		(57,821)
Investment, end of year	308,135		326,147
Minera Santa Cruz S.A.
Change in the investment in MSC
Investment, beginning of year	93,218	$ 93,451	93,451
Attributable net (loss) income	1,796		4,157
Amortization of fair value increments	(709)		(4,612)
Income tax recovery	191		517
Dividend distribution received			(295)
Investment, end of year	$ 94,496		$ 93,218

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

No definition available.

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- Definition

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

+ References

No definition available.

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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

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

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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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- Definition

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

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- Definition

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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