INCOME TAXES - Deferred (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Stock-based compensation	$ 1,989,000	$ 1,952,000
Net operating losses	5,863,000	4,683,000
Foreign tax credits	39,748,000	35,751,000
Amortizable tax goodwill	37,672,000	46,821,000
Other	6,487,000	5,044,000
Total deferred tax assets	91,759,000	94,251,000
Valuation allowance	44,656,000	40,814,000
Net deferred tax assets	47,103,000	53,437,000
Deferred tax liabilities:
Mineral property basis	(123,482,000)	(122,543,000)
Unrealized foreign exchange gains	(582,000)	(582,000)
Other	(1,179,000)	(97,000)
Total deferred tax liabilities	(125,243,000)	(123,222,000)
Total net deferred taxes	(78,140,000)	(69,785,000)
Operating loss carryforwards valuation allowance	2,200,000	1,700,000
Net operating loss carry forwards	3,700,000
Unrecognized tax benefits	0	0
Accrued income-tax-related interest and penalties	0	$ 0	$ 0
US Foreign
Deferred tax assets:
Valuation allowance	39,700,000
Capital loss
Deferred tax assets:
Valuation allowance	1,900,000
Operating loss carryforwards
Deferred tax assets:
Valuation allowance	2,200,000
Other tax carryforwards
Deferred tax assets:
Valuation allowance	$ 900,000