CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	Common Shares and Additional Paid-in Capital	Accumulated Deficit	Non-controlling Interests	Total
Balance at Dec. 31, 2022	$ 1,644,145	$ (1,321,336)	$ 33,465	$ 356,274
Balance (in shares) at Dec. 31, 2022	47,428
Increase (Decrease) in Shareholders' Equity
Stock-based compensation	$ 28			28
Proceeds from McEwen Copper financing	109,913		75,477	185,390
Net income (loss)		(43,076)	6,666	(36,410)
Balance at Mar. 31, 2023	$ 1,754,086	(1,364,412)	$ 115,608	505,282
Balance (in shares) at Mar. 31, 2023	47,428
Balance at Dec. 31, 2023	$ 1,768,456	(1,266,036)		502,420
Balance (in shares) at Dec. 31, 2023	49,440
Increase (Decrease) in Shareholders' Equity
Stock-based compensation	$ 464			464
Exercise of warrants	7			7
Net income (loss)		(20,383)		(20,383)
Balance at Mar. 31, 2024	$ 1,768,927	$ (1,286,419)		$ 482,508
Balance (in shares) at Mar. 31, 2024	49,440