COMMITMENTS AND CONTINGENCIES - Reclamation obligations (Details) - Surety Bonds $ in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2024 CAD ($)
Reclamation Bonds
Percentage of annual fees on surety bonds	2.30%	2.30%
Percentage of required deposit on value of surety bonds	6.10%	6.10%
Restricted cash	$ 3.1
Nevada
Reclamation Bonds
Surety bonding obligation	32.3
Canada
Reclamation Bonds
Surety bonding obligation	$ 7.4	$ 10.0