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OPERATING SEGMENT REPORTING - Summary of Reportable Operating Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Operating Segment Reporting |  |  |  |
Revenue from gold and silver sales | $ 52,250 | $ 38,404 | $ 140,954 | $ 107,551
Production costs applicable to sales | (29,682) | (26,468) | (86,858) | (80,043)
Depreciation and depletion | (8,765) | (8,181) | (23,524) | (23,370)
Gross profit (loss) | 13,803 | 3,755 | 30,572 | 4,138
Advanced projects | (2,468) | (20,444) | (7,912) | (83,191)
Exploration | (5,329) | (4,674) | (14,184) | (16,426)
Income (loss) from equity method investments | (3,080) | (2,672) | (31,929) | (7,047)
Segment profit (loss) | 2,926 | (24,035) | (23,453) | (102,526)
General and administrative | (2,138) | (3,720) | (10,672) | (9,211)
Other expense | (2,055) | (862) | (5,453) |
Other income |  |  |  | (864)
Loss before income and mining taxes | (1,267) | (28,617) | (39,578) | (110,873)
Capital expenditures | 19,140 | 10,063 | 30,346 | 21,987
USA |  |  |  |
Operating Segment Reporting |  |  |  |
Revenue from gold and silver sales | 33,251 | 17,967 | 88,215 | 45,526
Production costs applicable to sales | (17,078) | (14,399) | (49,515) | (41,446)
Depreciation and depletion | (4,235) | (2,647) | (10,705) | (7,170)
Gross profit (loss) | 11,938 | 921 | 27,995 | (3,090)
Exploration | (3,474) | (1,813) | (7,102) | (4,133)
Segment profit (loss) | 8,464 | (892) | 20,893 | (7,223)
Capital expenditures | 11,307 | 5,211 | 12,756 | 11,437
Canada |  |  |  |
Operating Segment Reporting |  |  |  |
Revenue from gold and silver sales | 18,999 | 20,259 | 51,539 | 61,847
Production costs applicable to sales | (12,604) | (12,069) | (37,343) | (38,597)
Depreciation and depletion | (4,530) | (5,534) | (12,819) | (16,200)
Gross profit (loss) | 1,865 | 2,656 | 1,377 | 7,050
Exploration | (1,855) | (2,861) | (7,082) | (11,907)
Segment profit (loss) | 10 | (205) | (5,705) | (4,857)
Capital expenditures | 7,343 | 2,574 | 15,547 | 6,757
Mexico |  |  |  |
Operating Segment Reporting |  |  |  |
Revenue from gold and silver sales |  | 178 | 1,200 | 178
Gross profit (loss) |  | 178 | 1,200 | 178
Advanced projects | (2,468) | (1,966) | (7,912) | (4,308)
Segment profit (loss) | (2,468) | (1,788) | (6,712) | (4,130)
Capital expenditures | 490 | 705 | 2,043 | 705
MSC |  |  |  |
Operating Segment Reporting |  |  |  |
Income (loss) from equity method investments | (1,228) | (2,672) | 4,751 | (7,047)
Segment profit (loss) | (1,228) | (2,672) | 4,751 | (7,047)
McEwen Copper |  |  |  |
Operating Segment Reporting |  |  |  |
Advanced projects |  | (18,478) |  | (78,883)
Exploration |  |  |  | (386)
Income (loss) from equity method investments | (1,852) |  | (36,680) |
Segment profit (loss) | $ (1,852) | (18,478) | $ (36,680) | (79,269)
Capital expenditures |  | $ 1,573 |  | $ 3,088

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