CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Cash flows from operating activities:
Net loss	$ (28,373)	$ (10,542)	$ (108,044)	$ (44,012)
Adjustments to reconcile net loss from operating activities:
Loss (income) from investment in Minera Santa Cruz S.A. (Note 9)	2,672	(758)	7,047	(2,149)
Depreciation and amortization			24,286	12,166
Unrealized (gain) loss on investments (Note 5)			(15,651)	375	$ 511
Foreign exchange loss on investments (Note 5)			9,858
Foreign exchange loss (gain)			41,186	(12,070)
Reclamation accretion and adjustments to estimate (Note 11)			539	3,010
Income and mining tax recovery			(2,829)	(1,339)
Stock-based compensation			354	313
Change in non-cash working capital items:
Change in other assets related to operations			(4,689)	(14,590)
Change in liabilities related to operations			(8,099)	(4,326)
Cash used in operating activities			(56,042)	(62,622)
Cash flows from investing activities:
Additions to mineral property interests and plant and equipment			(18,277)	(17,140)
Investment in marketable equity securities (Note 5)			(33,907)
Dividends received from Minera Santa Cruz S.A. (Note 9)			295	286
Cash used in investing activities			(51,889)	(16,854)
Cash flows from financing activities:
Proceeds from McEwen Copper financing (Note 17)			185,390	41,263
Issuance of flow-through common shares, net of issuance costs				14,376
Proceeds from promissory note				15,000	15,000
Principal repayment on debt (Note 10)			(25,000)
Subscription proceeds received in advance				(2,850)
Payment of finance lease obligations			(1,510)	(2,338)
Cash provided by financing activities			158,880	65,451
Effect of exchange rate change on cash and cash equivalents			(41,186)	12,070
(Decrease) increase in cash, cash equivalents and restricted cash			9,763	(1,955)
Cash, cash equivalents and restricted cash, beginning of period			43,579	60,634	60,634
Cash, cash equivalents and restricted cash, end of period	$ 53,342	$ 58,679	53,342	58,679	$ 43,579
Supplemental disclosure of cash flow information:
Interest paid			(3,231)	(4,305)
Interest received			42,565	$ 10
Taxes paid			$ (5,735)