XML 125 R88.htm IDEA: XBRL DOCUMENT v3.20.1
Commitments (Narrative) (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2019
CAD ($)
Ounce
Amulsar stream [Member]  
Disclosure Of Commitments [Line Items]  
Delivery of gold, ounces 89,034
Delivery of Silver, ounces 434,093
Amulsar Offtake [Member]  
Disclosure Of Commitments [Line Items]  
Potential offtake percentage 84.87%
Delivery of gold, ounces 2,110,425
Description of offtake percentage increase Offtake percentage will increase to 84.87% if Lydian elects to reduce the gold stream
Gold per ounces, attributable to OBL (less any ounces delivered pursuant to the Amulsar stream) 1,853,751
Back Forty stream [Member]  
Disclosure Of Commitments [Line Items]  
Gold stream 9.25%
Delivery of gold, ounces 105,000
Mantos Blancos stream [Member]  
Disclosure Of Commitments [Line Items]  
Share of silver production 100.00%
Delivery of gold, ounces 19,300,000
Mantos Blancos stream [Member] | 2nd Anniversary [Member]  
Disclosure Of Commitments [Line Items]  
Buy-back option, percentage 50.00%
Buy-back option | $ $ 34.4
Mantos Blancos stream [Member] | 3rd Anniversary [Member]  
Disclosure Of Commitments [Line Items]  
Buy-back option, percentage 50.00%
Buy-back option | $ $ 31.3
Gibraltar stream [Member]  
Disclosure Of Commitments [Line Items]  
Per ounce/carat price 2.75
Share of silver production 75.00%
Delivery of Silver, ounces 5,900,000
Gibraltar stream [Member] | After reaching 5.9 million ounces of silver [Member]  
Disclosure Of Commitments [Line Items]  
Share of silver production 35.00%