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Commitments - Disclosure of detailed information about significant commitments for streams and offtakes (Details)
 12 Months Ended
Dec. 31, 2022
Amulsar stream [Member]  
Disclosure Of Commitments [Line Items]  
Term of agreement 40 years
Amulsar stream [Member] | Gold [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 4.22%
Per ounce/carat price 400
Amulsar stream [Member] | Silver [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 62.50%
Per ounce/carat price 4
Amulsar offtake [Member]  
Disclosure Of Commitments [Line Items]  
Term of agreement Until delivery of 2,110,425 ounces Au
Amulsar offtake [Member] | Gold [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 81.91%
Per ounce/carat price Based on quotational period
Back Forty stream [Member]  
Disclosure Of Commitments [Line Items]  
Term of agreement Life of mine
Back Forty stream [Member] | Gold [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 18.50%
Per ounce/carat price 30% spot price (max $600)
Back Forty stream [Member] | Silver [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 85.00%
Per ounce/carat price 4
Gibraltar stream [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 75.00%
Gibraltar stream [Member] | Silver [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 75.00%
Per ounce/carat price nil
Term of agreement Life of mine
Mantos Blancos stream [Member] | Silver [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 100.00%
Per ounce/carat price 8% spot
Term of agreement Life of mine
Renard stream [Member]  
Disclosure Of Commitments [Line Items]  
Term of agreement 40 years
Renard stream [Member] | Diamond [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 9.60%
Per ounce/carat price Lesser of 40% of sales price or $40
San Antonio stream [Member]  
Disclosure Of Commitments [Line Items]  
Term of agreement Life of mine
San Antonio stream [Member] | Gold [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 15.00%
Per ounce/carat price 15% spot price
San Antonio stream [Member] | Silver [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 15.00%
Per ounce/carat price 15% spot price
Sasa stream [Member]  
Disclosure Of Commitments [Line Items]  
Term of agreement 40 years
Sasa stream [Member] | Silver [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 100.00%
Per ounce/carat price 6.21
Tintic stream [Member]  
Disclosure Of Commitments [Line Items]  
Term of agreement Life of mine
Tintic stream [Member] | Gold [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 2.50%
Per ounce/carat price 25% spot price
Tintic stream [Member] | Silver [Member]  
Disclosure Of Commitments [Line Items]  
Attributable payable production to be purchased, percentage 2.50%
Per ounce/carat price 25% spot price