EQUITY METHOD INVESTMENTS - A summary of the operating results of Minera Santa Cruz S.A. (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Equity Investments
Revenue from gold and silver sales	$ 47,476	$ 34,395	$ 88,704	$ 69,147
Depreciation and depletion	(4,652)	(8,293)	(14,759)	(15,189)
Net income (loss) before tax	(15,371)	(45,310)	(38,311)	(82,256)
Net Income (Loss)	(12,995)	(21,627)	(33,378)	(64,703)
Income tax recovery	2,376	2,049	4,933	2,585
Income (loss) from investment in MSC, net of amortization	(12,115)	(914)	$ (28,849)	(4,375)
Minera Santa Cruz S.A.
Equity Investments
Subsidiary (as a percent)			100.00%
Revenue from gold and silver sales	74,348	67,712	$ 140,274	113,452
Production costs applicable to sales	(48,220)	(46,931)	(96,105)	(88,055)
Depreciation and depletion	(14,723)	(14,363)	(23,649)	(22,593)
Gross profit	11,405	6,418	20,520	2,804
Exploration	(3,018)	(2,846)	(5,122)	(4,798)
Other income (expense)(1)	(2,451)	(7,911)	(950)	(11,145)
Net income (loss) before tax	5,936	(4,339)	14,448	(13,139)
Current and deferred tax recovery (expense)	4,514	4,828	(333)	8,143
Net Income (Loss)	$ 10,450	489	$ 14,115	(4,996)
Subsidiary ownership interest (as a percent)	49.00%		49.00%
Net income (loss)	$ 5,120	239	$ 6,918	(2,448)
Amortization of fair value increments	(667)	(1,269)	(1,377)	(2,153)
Income tax recovery	248	116	438	226
Income (loss) from investment in MSC, net of amortization	$ 4,701	$ (914)	$ 5,979	$ (4,375)