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	$ 84			84
Restricted shares issued (in shares)	46
Proceeds from McEwen Copper financing	$ 109,913		75,477	185,390
Net loss		(64,703)	(14,968)	(79,671)
Balance at Jun. 30, 2023	$ 1,754,142	(1,386,039)	93,974	462,077
Balance (in shares) at Jun. 30, 2023	47,474
Balance at Dec. 31, 2022	$ 1,644,145	(1,321,336)	33,465	356,274
Balance (in shares) at Dec. 31, 2022	47,428
Balance at Dec. 31, 2023	$ 1,768,456	(1,266,036)		502,420
Balance (in shares) at Dec. 31, 2023	49,440
Balance at Mar. 31, 2023	$ 1,754,086	(1,364,412)	115,608	505,282
Balance (in shares) at Mar. 31, 2023	47,428
Increase (Decrease) in Shareholders' Equity
Stock-based compensation	$ 56			56
Restricted shares issued (in shares)	46
Net loss		(21,627)	(21,634)	(43,261)
Balance at Jun. 30, 2023	$ 1,754,142	(1,386,039)	$ 93,974	462,077
Balance (in shares) at Jun. 30, 2023	47,474
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	$ 1,785			1,785
Stock-based compensation (in shares)	100
Sale of flow-through shares (Note 12)	$ 14,374			14,374
Sale of flow-through shares (Note 12) (in shares)	1,533
Exercise of warrants	$ 8			8
Net loss		(33,378)		(33,378)
Balance at Jun. 30, 2024	$ 1,784,623	(1,299,414)		485,209
Balance (in shares) at Jun. 30, 2024	51,073
Balance at Mar. 31, 2024	$ 1,768,927	(1,286,419)		482,508
Balance (in shares) at Mar. 31, 2024	49,440
Increase (Decrease) in Shareholders' Equity
Stock-based compensation	$ 1,321			1,321
Stock-based compensation (in shares)	100
Sale of flow-through shares (Note 12)	$ 14,374			14,374
Sale of flow-through shares (Note 12) (in shares)	1,533
Exercise of warrants	$ 1			1
Net loss		(12,995)		(12,995)
Balance at Jun. 30, 2024	$ 1,784,623	$ (1,299,414)		$ 485,209
Balance (in shares) at Jun. 30, 2024	51,073