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Net (loss) earnings per share (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure of earnings per share [Abstract]  
Disclosure of detailed information of earnings per share [Table Text Block]
    2021     2020  
    $     $  
             
Net (loss) earnings attributable to Osisko Gold Royalties Ltd's shareholders   (23,554 )   16,876  
             
Basic weighted average number of common shares outstanding (in thousands)   167,628     162,303  
Dilutive effect of share options   -     125  
Diluted weighted average number of common shares   167,628     162,428  
             
Net (loss) earnings per share            
Basic and diluted   (0.14 )   0.10