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RELATED PARTY TRANSACTIONS (Details) - USD ($)		12 Months Ended
	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Aug. 10, 2018
RELATED PARTY TRANSACTIONS
Sale of flow-through shares		$ 10,320,000	$ 10,785,000	$ 15,478,000
Chairman and Chief Executive Officer | Original term loan
RELATED PARTY TRANSACTIONS
Face amount					$ 50,000,000.0
Long-term debt from related party					$ 25,000,000.0
Affiliate of Robert McEwen
RELATED PARTY TRANSACTIONS
Debt interest expense		2,400,000	$ 2,800,000
Sale of flow-through shares		$ 900,000
Sale of flow-through shares (in shares)		104,585
Company Controlled by Mcewen | Commercial Paper
RELATED PARTY TRANSACTIONS
Face amount	$ 15,000,000.0
Debt interest expense	8	$ 900,000
Due to Related Parties	$ 15,000,000

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