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INCOME TAX (Schedule of Tax Losses Expiry Dates) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Taxes [line items]    
Unused tax losses for which no deferred tax asset recognised $ 164,427 $ 136,072
CANADA    
Income Taxes [line items]    
Unused tax losses for which no deferred tax asset recognised $ 184,717 $ 150,015
CANADA | Bottom of range [member]    
Income Taxes [line items]    
Year of Expiry 2026 2026
CANADA | Top of range [member]    
Income Taxes [line items]    
Year of Expiry 2042 2041
MEXICO    
Income Taxes [line items]    
Unused tax losses for which no deferred tax asset recognised $ 20 $ 378
MEXICO | Bottom of range [member]    
Income Taxes [line items]    
Year of Expiry 2021 2021
MEXICO | Top of range [member]    
Income Taxes [line items]    
Year of Expiry 2031 2030