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ASSET ACQUISITIONS (Details) - USD ($) $ in Thousands				3 Months Ended		6 Months Ended
ASSET ACQUISITIONS (Details) - USD ($) $ in Thousands	Jun. 04, 2026	Apr. 30, 2026	Jan. 05, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
ASSET ACQUISITIONS
Loss on investment				$ 11,212	$ (3,382)	$ 41,550	$ (11,450)
Golden Lake \| Jewel Ridge and Jewel Ridge West Project
ASSET ACQUISITIONS
Company ownership interest (as a percent)		100.00%
Canadian Gold Corp
ASSET ACQUISITIONS
Common shares issued			2,943,766
Subscription rights issued			1,529,508
Fair value			$ 57,700
Amount of equity interest already held			5,100
Common shares			57,698
Subscription receipts			29,978
Previously held equity interest			5,128
Purchase price	$ 32,300		$ 92,804
Canadian Gold Corp \| Location, Statement of Income, Balance [Axis]: us-gaap:IncomeLossFromEquityMethodInvestments
ASSET ACQUISITIONS
Loss on investment	$ 2,300
Canadian Gold Corp \| Tartan Lake Gold Mine Project
ASSET ACQUISITIONS
Percentage acquired			100.00%
Canadian Gold Corp \| Canadian Gold \| Tartan Lake Gold Mine Project
ASSET ACQUISITIONS
Company ownership interest (as a percent)			100.00%
Golden Lake Exploration Inc.
ASSET ACQUISITIONS
Common shares issued		532,499
Common shares		$ 11,600
Common shares		$ 11,545
Number of stock options		18,490
Fair value of stock options		$ 148
Purchase price		$ 11,693
Golden Lake Exploration Inc. \| Jewel Ridge and Jewel Ridge West Project
ASSET ACQUISITIONS
Percentage acquired		100.00%