CASH AND CASH EQUIVALENTS (Details) $ in Thousands, $ in Billions	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2023 ARS ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 ARS ($)
Cash and cash equivalents	$ 49,115		$ 39,782
Cash		$ 14.6		$ 0.4
Exchange rate	349.9	349.9	177.2	177.2
USD
Cash and cash equivalents	$ 7,137		$ 36,305
ARS
Cash and cash equivalents	41,306		2,144
Other currencies
Cash and cash equivalents	672		1,333
McEwen Copper Inc.
Cash and cash equivalents	49,100		39,800
Cash	45,200		2,500
Bankers' acceptance notes	$ 2,300		$ 35,600
McEwen Copper Inc. | Minimum
Term of debt instrument	34 days
McEwen Copper Inc. | Maximum
Term of debt instrument	81 days