EQUITY METHOD INVESTMENTS - A summary of the operating results of Minera Santa Cruz S.A. (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Equity Investments
Revenue from gold and silver sales	$ 52,250	$ 38,404	$ 140,954	$ 107,551
Depreciation and depletion	(8,765)	(8,181)	(23,524)	(23,370)
Income (loss) before tax	(1,267)	(28,617)	(39,578)	(110,873)
Net Income (Loss)	(2,081)	(18,451)	(35,459)	(83,154)
Income tax recovery	(814)	244	4,119	2,829
Income (loss) from investment in MSC, net of amortization	(3,080)	(2,672)	$ (31,929)	(7,047)
Minera Santa Cruz S.A.
Equity Investments
Subsidiary (as a percent)			100.00%
Revenue from gold and silver sales	70,361	64,495	$ 210,635	177,947
Production costs applicable to sales	(58,031)	(43,380)	(154,136)	(131,434)
Depreciation and depletion	(13,248)	(15,190)	(36,897)	(37,783)
Gross profit (loss)	(918)	5,925	19,602	8,730
Exploration	(3,329)	(2,538)	(8,451)	(7,336)
Other income (expense)	1,649	(2,652)	699	(13,797)
Income (loss) before tax	(2,598)	735	11,850	(12,403)
Current and deferred tax	1,280	(3,953)	947	4,190
Net Income (Loss)	$ (1,318)	(3,218)	$ 12,797	(8,213)
Subsidiary ownership interest (as a percent)	49.00%		49.00%
Net income (loss)	$ (646)	(1,577)	$ 6,271	(4,025)
Amortization of fair value increments	(833)	(1,217)	(2,209)	(3,370)
Income tax recovery	251	122	689	348
Income (loss) from investment in MSC, net of amortization	$ (1,228)	$ (2,672)	$ 4,751	$ (7,047)