CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
REVENUE:
Revenue from gold and silver sales	$ 197,553	$ 174,477	$ 166,231
OPERATING EXPENSES:
Production costs applicable to sales	(122,760)	(113,313)	(119,230)
Depreciation and depletion	(27,229)	(30,229)	(29,221)
Gross profit	47,564	30,935	17,780
OTHER OPERATING INCOME (EXPENSES):
Advanced projects	(7,961)	(7,152)	(82,637)
Exploration	(22,196)	(16,546)	(20,167)
General and administrative	(26,695)	(17,165)	(15,449)
Depreciation	(620)	(634)	(1,138)
Reclamation and remediation	(3,017)	(2,054)	(2,693)
Total other operating expenses	(44,911)	(81,507)	(179,843)
Operating income (loss)	2,653	(50,572)	(162,063)
OTHER INCOME (EXPENSES):
Interest and other finance (expenses) income, net	(7,217)	(4,595)	36,918
Other income (expenses) (Note 18)	10,724	2,651	(29,976)
Dilution gain from investments in McEwen Copper Inc. (Note 9)	789	5,777
Gain on deconsolidation of McEwen Copper Inc. (Note 9)			222,157
Total other income	4,296	3,833	229,099
Income (loss) before income and mining taxes	6,949	(46,739)	67,036
Income and mining tax recovery (expense) (Note 19)	27,485	3,048	(33,859)
Net income (loss) after income and mining taxes	34,434	(43,691)	33,177
Net loss attributable to non-controlling interests			22,122
Net income (loss) and comprehensive income (loss) attributable to McEwen shareholders	$ 34,434	$ (43,691)	$ 55,299
Net income (loss) per share (Note 14):
Basic (in dollars per share)	$ 0.64	$ (0.86)	$ 1.16
Diluted (in dollars per share)	$ 0.59	$ (0.86)	$ 1.16
Weighted average common shares outstanding (thousands) (Note 14):
Basic (in shares)	54,046	51,021	47,544
Diluted (in shares)	65,560	51,021	47,544
McEwen Copper Inc.
OTHER OPERATING INCOME (EXPENSES):
Advanced projects	$ (41,925)	$ (114,544)	$ (36,475)
Income (loss) from equity method investments	(25,547)	(46,977)	(57,821)
OTHER INCOME (EXPENSES):
Interest and other finance (expenses) income, net	1,294	19,130	19,356
Dilution gain from investments in McEwen Copper Inc. (Note 9)	800
Income (loss) before income and mining taxes	(55,011)	(98,979)	(121,141)
Net income (loss) and comprehensive income (loss) attributable to McEwen shareholders	(55,011)	(98,979)	(121,141)
Minera Santa Cruz S.A.
REVENUE:
Revenue from gold and silver sales	459,545	310,411	254,926
OPERATING EXPENSES:
Depreciation and depletion	(52,969)	(51,188)	(58,935)
OTHER OPERATING INCOME (EXPENSES):
Income (loss) from equity method investments	41,125	9,021	62
OTHER INCOME (EXPENSES):
Other income (expenses) (Note 18)	(11,843)	(1,717)	(3,977)
Income (loss) before income and mining taxes	132,783	31,184	5,434
Income and mining tax recovery (expense) (Note 19)	29	37	517
Net income (loss) and comprehensive income (loss) attributable to McEwen shareholders	$ 88,278	$ 24,636	$ 8,485