XML 112 R82.htm IDEA: XBRL DOCUMENT v3.22.0.1
Investments in associates (Narrative) (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2020
CAD ($)
share
$ / shares
May 31, 2020
Dec. 31, 2021
CAD ($)
share
Dec. 31, 2020
CAD ($)
Disclosure of associates [line items]        
Acquisition price allocated to Investments in associates     $ 125,354 $ 119,219
Net gain on ownership dilution     $ 1,847 $ 10,381
Osisko Mining [Member]        
Disclosure of associates [line items]        
Additional investments held in associates $ 14,800      
Investment units held | share 4,054,000      
Exercise price of investment warrants | $ / shares $ 5.25      
Acquisition price allocated to Investments in associates $ 13,600      
Acquisition price allocated to warrant $ 1,200      
Proportion of ownership interest in associate 14.70% 15.80% 14.40% 14.50%
Net gain on ownership dilution       $ 10,400
Shares held in associates | share     50,023,569  
Osisko Mining [Member] | Windfall Lake project [Member] | Bottom of range [Member]        
Disclosure of associates [line items]        
NSR royalty percentage     2.00%  
Osisko Mining [Member] | Windfall Lake project [Member] | Top of range [Member]        
Disclosure of associates [line items]        
NSR royalty percentage     3.00%  
Osisko Mining [Member] | Other properties held by Osisko Mining [Member]        
Disclosure of associates [line items]        
NSR royalty percentage     1.00%  
Osisko Metals [Member]        
Disclosure of associates [line items]        
Proportion of ownership interest in associate     15.40% 17.40%
Shares held in associates     31,127,397  
Osisko Metals [Member] | Pine Point mining camp [Member]        
Disclosure of associates [line items]        
NSR royalty percentage     2.00%  
Osisko Metals [Member] | Bathurst mining camp [Member]        
Disclosure of associates [line items]        
NSR royalty percentage     1.00%