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COMMITMENTS- Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Contingent Liabilities And Contingent Assets [Line Items]    
Surety bonds $ 126,100  
Restricted cash and cash equivalents 32,902 $ 30,777
Ruby Hill, Nevada    
Contingent Liabilities And Contingent Assets [Line Items]    
Surety bonds 87,000  
Restricted cash and cash equivalents 4,604 4,584
Lone Tree, Nevada    
Contingent Liabilities And Contingent Assets [Line Items]    
Surety bonds 22,800  
Restricted cash and cash equivalents $ 25,877 $ 25,593