INCOME AND MINING TAXES - Deferred Income Tax Recovery (Expense) and Net Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Current:
State	$ (859)	$ 2,073	$ 971
Foreign	1,314	2,231	(4,107)
Current tax (recovery) expense	455	4,304	(3,136)
Deferred:
Federal	(22,222)
State	419	(195)
Foreign	(6,137)	(7,157)	36,995
Deferred tax (recovery) expense	(27,940)	(7,352)	36,995
Mining tax (recovery) expense
Federal	(22,222)
State	(440)	1,878	971
Foreign	(4,823)	(4,926)	32,888
(Loss) income and mining tax (recovery) expense	$ (27,485)	$ (3,048)	$ 33,859