INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE - Changes in Company's Investment in MSC (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Change in the investment in MSC
Investment in MSC, beginning of period	$ 90,961
Income tax recovery	814	$ 2,015
Dividend distribution received		(4,984)
Investment in MSC, end of period	89,841		$ 90,961
Minera Santa Cruz S.A. [Member]
Change in the investment in MSC
Investment in MSC, beginning of period	90,961	108,326	108,326
Attributable net income from MSC	(630)		132
Amortization of fair value increments	(613)		(8,331)
Income tax recovery	123		666
Dividend distribution received			(9,832)
Investment in MSC, end of period	$ 89,841		$ 90,961
Dividends received		$ 5,000

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

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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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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.

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No definition available.

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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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Dividends received on equity and other investments during the current period.

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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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