CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents (Note 4)	$ 13,692	$ 23,020
Marketable securities (Note 5)	1,617	1,743
Receivables, prepaids and other current assets (Note 6)	7,486	5,578
Due from McEwen Copper Inc. (Note 15)	$ 286	$ 2,376
Other Receivable, after Allowance for Credit Loss, Current, Related Party, Name [Extensible Enumeration]	Mcewen Copper Inc [Member]	Mcewen Copper Inc [Member]
Inventories (Note 7)	$ 18,111	$ 19,944
Total current assets	41,192	52,661
Mineral property interests and plant and equipment, net (Note 8)	210,922	169,950
Investment in McEwen Copper Inc. (Note 9)	298,947	326,147
Investment in Minera Santa Cruz S.A. (Note 9)	101,854	93,218
Inventories (Note 7)	7,834	10,100
Restricted cash (Note 4)	3,772	4,490
Other assets	102	673
TOTAL ASSETS	664,623	657,239
Current liabilities:
Accounts payable and accrued liabilities	28,448	22,656
Reclamation and remediation liabilities (Note 12)	4,988	3,105
Contract liability (Note 17)	3,544
Flow-through share premium (Note 13)	5,447	1,661
Tax liabilities (Note 19)	4,478	1,603
Lease liabilities (Note 10)	788	978
Total current liabilities	47,693	30,003
Reclamation and remediation liabilities (Note 12)	41,075	39,916
Long-term debt (Note 11)	40,000	40,000
Deferred tax liabilities (Note 19)	36,630	40,572
Lease liabilities (Note10)	1,323	488
Other liabilities	2,927	3,840
Total liabilities	169,648	154,819
Shareholders' equity:
Common shares: 53,054 as at December 31, 2024, and 49,440 as of December 31, 2023 issued and outstanding (in thousands) (Note 13)	1,804,702	1,768,456
Accumulated deficit	(1,309,727)	(1,266,036)
Total shareholders' equity	494,975	502,420
TOTAL LIABILITIES & SHAREHOLDERS' EQUITY	$ 664,623	$ 657,239