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Fair value of financial instruments (Tables)
 12 Months Ended
Dec. 31, 2022
Disclosure of fair value measurement of assets [abstract]  
Disclosure of significant observable inputs used in fair value measurement [Table Text Block]

                December 31, 2022  
    Level 1     Level 2     Level 3     Total  
    $     $     $     $  
Recurring measurements                         
                         
Financial assets at fair value through profit or loss(i)                    
Warrants on equity securities and convertible debentures and notes                        
Publicly traded mining exploration and development companies                        
Precious metals   -     -     18,026     18,026  
Other minerals   844     -     5,347     6,191  
Financial assets at fair value through other comprehensive (loss) income(i)                        
Equity securities                        
Publicly traded mining exploration and development companies                        
Precious metals   6,288     -     3,530     9,818  
Other minerals   8,519     -     -     8,519  
    15,651     -     26,903     42,554  
                         
 
                December 31, 2021  
    Level 1     Level 2     Level 3     Total  
    $     $     $     $  
Recurring measurements                         
                         
Financial assets at fair value through profit or loss(i)                    
Warrants on equity securities and convertible debentures and notes                        
Publicly traded mining exploration and development companies                        
Precious metals   -     -     24,327     24,327  
Other minerals   13,048     -     10,607     23,655  
Financial assets at fair value through other comprehensive (loss) income(i)                        
Equity securities                        
Publicly traded mining exploration and development companies                        
Precious metals   46,668     -     -     46,668  
Other minerals   47,562     -     -     47,562  
    107,278     -     34,934     142,212  

(i) On the basis of its analysis of the nature, characteristics and risks of equity securities, the Company has determined that presenting them by industry and type of investment is appropriate.
Disclosure of detailed information about changes in fair value of level 3 investments [Table Text Block]
    2022     2021  
    $     $  
             
Balance - January 1   34,934     25,063  
Acquisitions   7,968     12,754  
Warrants exercised   (80 )   (1,122 )
Acquisition of Tintic by Osisko Development (Note 31)   (10,827 )   -  
Change in fair value - warrants exercised(i)   (322 )   300  
Change in fair value - warrants expired(i)   (405 )   (15 )
Change in fair value - investments held at the end of the period(i)   (4,304 )   (2,046 )
Foreign exchange revaluation impact   49     -  
Deconsolidation of Osisko Development (Note 31)   (110 )   -  
Balance - December 31   26,903     34,934  

(i) Recognized in the consolidated statements of loss under other (losses) gains, net.
Disclosure of detailed information about fair value of long-term debt [Table Text Block]
    December 31, 2022     December 31, 2021  
    Fair
value		     Carrying
amount		     Fair
Value		     Carrying
amount		  
    $     $              
                         
Long-term debt - Level 1   -     -     303,000     293,281