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FINANCE INCOME AND EXPENSE
 12 Months Ended
Dec. 31, 2020
Analysis of income and expense [abstract]  
FINANCE INCOME AND EXPENSE FINANCE INCOME AND EXPENSE
(a)Interest and other finance income

Years ended December 31 2020 2019
Interest income $ 3,495  $ 11,111 
Other 3,050  799 
$ 6,545  $ 11,910 

(b)Interest expense and other finance costs

Years ended December 31 2020 2019
Interest expense on debt (note 14) $ 19,916  $ 23,049 
Accretion of reclamation and closure cost provision (note 15) 3,887  3,743 
Other 2,984  4,806 
$ 26,787  $ 31,598