EQUITY METHOD INVESTMENTS - A summary of the operating results of Minera Santa Cruz S.A. (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
EQUITY METHOD INVESTMENTS
Revenue from gold and silver sales	$ 33,523	$ 52,250	$ 47,476	$ 41,228	$ 58,680	$ 38,404	$ 34,395	$ 34,752	$ 174,477	$ 166,231	$ 110,417
Depreciation and depletion									(30,229)	(29,221)	(19,701)
Income income before tax									(46,739)	67,036	(80,288)
Net Income (Loss)	$ (8,232)	$ (2,081)	$ (12,995)	$ (20,383)	$ 138,453	$ (18,451)	$ (21,627)	$ (43,076)	(43,691)	55,299	(81,075)
Income tax recovery									$ 3,048	$ (33,859)	$ (5,806)
Minera Santa Cruz S.A.
EQUITY METHOD INVESTMENTS
Subsidiary (as a percent)									100.00%	100.00%	100.00%
Revenue from gold and silver sales									$ 310,411	$ 254,926	$ 254,698
Production costs applicable to sales									(215,065)	(177,234)	(182,195)
Depreciation and depletion									(51,188)	(58,935)	(32,200)
Gross profit									44,158	18,757	40,303
Exploration									(11,257)	(9,346)	(8,946)
Other expense									(1,717)	(3,977)	(19,715)
Income income before tax									31,184	5,434	11,642
Current and deferred tax									(6,548)	3,051	1,221
Net Income (Loss)									24,636	8,485	12,863
Net income (loss)									12,072	4,157	6,303
Amortization of fair value increments									(3,088)	(4,612)	(4,155)
Income tax recovery									37	517	628
Income from investment in MSC, net of amortization									$ 9,021	$ 62	$ 2,776