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SUPPLEMENTAL CASH FLOW INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Information [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures
Net change in operating assets and liabilities during the years ended December 31 were as follows (in thousands):
Years Ended December 31,
 
2021
 
2020
2019
Decrease (increase) in operating assets:
   
Trade and other receivables
$(38,138)$5,132 $(44,465)
Inventories
 (20,848)  (21,660)(11,368)
Other operating assets
 (1,516)  17,781 1,375 
Increase (decrease) in operating liabilities:
   
Accounts payable
 (6,882)  7,761 16,732 
Accrued liabilities
 38,761   (1,574)(401)
Reclamation liabilities
 (243)  (2,447)(3,568)
Other operating liabilities
(429)(45,585)(24,474)
 $(29,295) $(40,592)$(66,169)
Other cash information during the years ended December 31 were as follows (in thousands):
Years Ended December 31,
 
2021
 
2020
2019
Interest paid
$
(12,512)
$
(13,638)
$
(11,646)
Interest received
$
5,315 
$
3,665 
$
9,697 
Income taxes paid
$
(58,000)
$
(43,744)
$
(20,850)