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TRADE RECEIVABLES AND OTHER ASSETS - DIsclosure of changes in deferred compensation receivable (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Trade And Other Current Receivable [Line Items]      
Beginning balance $ 20,869    
Ending balance 24,096 $ 20,869  
Less: current portion (11,574) (7,440) $ (2,576)
Non-current portion 12,522 13,429 $ 358
Deferred compensation [Member]      
Trade And Other Current Receivable [Line Items]      
Beginning balance 11,112 0  
Additions   13,106  
Gain on receivable modification 255    
Interest accretion 1,249 256  
Amount received (400) (2,250)  
Ending balance 12,216 11,112  
Less: current portion (2,500)    
Non-current portion 9,716    
Deferred compensation [Member] | Aftermath Silver Ltd [Member]      
Trade And Other Current Receivable [Line Items]      
Beginning balance 6,412 0  
Additions   8,506  
Gain on receivable modification 255    
Interest accretion 696 156  
Amount received (400) (2,250)  
Ending balance 6,963 6,412  
Less: current portion (2,500)    
Non-current portion 4,463    
Deferred compensation [Member] | Abrasilver Resource Corp [Member]      
Trade And Other Current Receivable [Line Items]      
Beginning balance 4,700 0  
Additions   4,600  
Gain on receivable modification 0    
Interest accretion 553 100  
Amount received 0 0  
Ending balance 5,253 $ 4,700  
Less: current portion 0    
Non-current portion $ 5,253