INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE - Summary of Operating Results (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE
Revenue from gold and silver sales	$ 38,404	$ 25,988	$ 107,551	$ 82,177
Depreciation and depletion	(8,181)	(4,313)	(23,370)	(11,494)
Net loss before tax	(28,617)	(11,066)	(110,873)	(45,351)
Net Income (Loss)	(18,451)	(10,530)	(83,154)	(43,712)
Income tax recovery	244	524	2,829	1,339
Loss from investment in MSC, net of amortization	$ (2,672)	$ 758	$ (7,047)	$ 2,149
Subsidiary (as a percent)	100.00%	100.00%	100.00%	100.00%
Subsidiary of Common Parent
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE
Subsidiary ownership interest (as a percent)	49.00%	49.00%	49.00%	49.00%
Minera Santa Cruz S.A. | Subsidiary of Common Parent
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE
Net loss	$ (1,577)	$ 1,804	$ (4,025)	$ 4,610
Amortization of fair value increments	(1,217)	(1,228)	(3,370)	(2,929)
Income tax recovery	122	182	348	468
Loss from investment in MSC, net of amortization	(2,672)	758	(7,047)	2,149
Minera Santa Cruz S.A.
INVESTMENT IN MINERA SANTA CRUZ S.A. ("MSC") - SAN JOSE MINE
Revenue from gold and silver sales	64,495	65,278	177,947	176,808
Production costs applicable to sales	(43,380)	(48,930)	(131,434)	(130,231)
Depreciation and depletion	(15,190)	(9,376)	(37,783)	(21,629)
Gross (loss) profit	5,925	6,972	8,730	24,948
Exploration	(2,538)	(1,960)	(7,336)	(6,788)
Other expenses	(2,652)	(5,648)	(13,797)	(16,000)
Net loss before tax	735	(636)	(12,403)	2,160
Current and deferred tax recovery (expense)	(3,953)	4,318	4,190	7,247
Net Income (Loss)	$ (3,218)	$ 3,682	(8,213)	$ 9,407
Net loss			(4,025)		$ 6,303
Amortization of fair value increments			(3,370)		(4,155)
Income tax recovery			$ 348		$ 628
Subsidiary ownership interest (as a percent)	49.00%		49.00%