XML 80 R77.htm IDEA: XBRL DOCUMENT v3.20.1
ROYALTY INTERESTS - Disclosure of detailed information about royalty interests (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Royalty Interests [Abstract]    
Royalty interest, beginning balance $ 14,346 $ 21,943
Additions 560  
Depletion (802) (1,732)
Impairment of royalty interest   (7,256)
Cumulative translation adjustments (616) 1,391
Royalty interest, ending balance $ 13,488 $ 14,346