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Cash - Disclosure of detailed information about cash position (Details)
$ in Thousands, $ in Thousands
Dec. 31, 2021
CAD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CAD ($)
Disclosure Of Information For Cash [Line Items]          
Cash $ 115,698   $ 302,524   $ 108,223
Osisko Gold Royalties [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash 82,291   105,097    
Osisko Development Corp [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash 33,407   197,427    
Cash held in Canadian dollars [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash 53,485   167,088    
Cash held in Canadian dollars [Member] | Osisko Gold Royalties [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash 40,121   29,714    
Cash held in Canadian dollars [Member] | Osisko Development Corp [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash 13,364   137,374    
Cash held in U.S. dollars [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash 62,213 $ 49,072 135,436 $ 106,375  
Cash held in U.S. dollars [Member] | Osisko Gold Royalties [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash 42,170 33,262 75,383 59,208  
Cash held in U.S. dollars [Member] | Osisko Development Corp [Member]          
Disclosure Of Information For Cash [Line Items]          
Cash $ 20,043 $ 15,810 $ 60,053 $ 47,167