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CONTRACTUAL OBLIGATIONS (Schedule of Purchase Committments in Connection with Commodity Streams) (Details) $ in Millions | Dec. 31, 2017 USD ($) $ / lb $ / oz
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Gold and Silver Commodity Type [member] | Hugo North Extension [member] | Below 560 Metres Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 5.62%
Gold and Silver Commodity Type [member] | Hugo North Extension [member] | Above 560 Metres Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 8.43%
Gold and Silver Commodity Type [member] | Heruga [member] | Below 560 Metres Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 4.26%
Gold and Silver Commodity Type [member] | Heruga [member] | Above 560 Metres Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 6.39%
Gold Commodity Type [member] | Bachelor Lake [Member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 20.00%
Threshold, maximum measurement weight commodity, purchased | 12,000
Gold Commodity Type [member] | Black Fox [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 8.00%
Gold Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] |
Contractual commitments [Line Items] |
Threshold, purchase price per measurement weight change | 8,600,000
Gold Commodity Type [member] | Karma Gold [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price percentage of market price | 20.00%
Threshold, percentage life of mine or relevant weight commodity change | 26,875
Gold Commodity Type [member] | Karma Gold [member] | After 26,875 Ounces Over 5 Years [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 1.625%
Gold Commodity Type [member] | Ming [member] |
Contractual commitments [Line Items] |
Threshold, percentage life of mine or relevant weight commodity change | 175,000
Gold Commodity Type [member] | Ming [member] | First 175,000 Ounces [Member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 25.00%
Gold Commodity Type [member] | Ming [member] | After 175,000 Ounces [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 12.00%
Gold Commodity Type [member] | Santa Elena [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 20.00%
Silver Commodity Type [member] | Chapada Mine [member] |
Contractual commitments [Line Items] |
Threshold, annual maximum measurement weight commodity purchase | 100,000
Silver Commodity Type [member] | Chapada Mine [member] | For Year 2018 [Member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 52.00%
Silver Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] |
Contractual commitments [Line Items] |
Threshold, purchase price per measurement weight change | 40,300,000
Silver Commodity Type [member] | Yamana Silver Stream [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price percentage of market price | 30.00%
Threshold, percentage life of mine or relevant weight commodity change | 7,000,000
Threshold, annual maximum measurement weight commodity purchase | 1,200,000
Cumulative pre tax cash flow threshold | $ | $ 70
Silver Commodity Type [member] | Yamana Silver Stream [member] | Above 7 Million Ounces Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 9.00%
Silver Commodity Type [member] | Yamana Silver Stream [member] | Below 7 Million Ounces Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 20.00%
Silver Commodity Type [member] | Minera Florida Mine [member] |
Contractual commitments [Line Items] |
Threshold, annual maximum measurement weight commodity purchase | 200,000
Silver Commodity Type [member] | Minera Florida Mine [member] | For Year 2018 [Member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 38.00%
Copper Commodity Type [member] | Chapada Mine [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 4.20%
Commodity per ounce purchase price percentage of market price | 30.00%
Threshold, annual maximum measurement weight commodity purchase | 3,900,000
Copper Commodity Type [member] | Chapada Mine [member] | Above 39 Million Pounds And Less Than 50 Million Pounds Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 3.00%
Copper Commodity Type [member] | Chapada Mine [member] | Above 50 Million Pounds [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 1.50%
Copper Commodity Type [member] | Chapada Mine [member] | Before Cumulative Pre Tax Cash Flow Threshold 70 Million [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 4.20%
Threshold, annual maximum measurement weight commodity purchase | 3,900,000
Copper Commodity Type [member] | Chapada Mine [member] | Before Yamana Copper Stream Delivers 39 Million Pounds [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 4.20%
Threshold, percentage life of mine or relevant weight commodity change | 39,000,000
Copper Commodity Type [member] | Chapada Mine [member] | After Yamana Copper Stream Delivers 39 Million Pounds [member] |
Contractual commitments [Line Items] |
Threshold, percentage life of mine or relevant weight commodity change | 50,000,000
Copper Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] |
Contractual commitments [Line Items] |
Threshold, purchase price per measurement weight change | 9,100,000,000
Copper Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | Below 560 Metres Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 0.42%
Copper Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | Above 560 Metres Threshold [member] |
Contractual commitments [Line Items] |
Percentage of life of mine gold or relevant commodity | 0.62%
The Lesser of $450 and Prevailing Market Price [member] | Gold Commodity Type [member] | Santa Elena [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price | 450
The Lesser of $.50 and Prevailing Market Price [member] | Copper Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | Before 9.1 Billion Pounds [member] |
Contractual commitments [Line Items] |
Commodity per pound purchase price | $ / lb | 0.50
The Lesser of $1.10 and Prevailing Market Price [member] | Copper Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | After 9.1 Billion Pounds [member] |
Contractual commitments [Line Items] |
Commodity per pound purchase price | $ / lb | 1.10
The Lesser of $500 and Prevailing Market Price [member] | Gold Commodity Type [member] | Bachelor Lake [Member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price | 500
The Lesser of $500 and Prevailing Market Price [member] | Gold Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | After 8.6 Million Ounces [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price | 500
The Lesser of $531 and Prevailing Market Price [member] | Gold Commodity Type [member] | Black Fox [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price | 531
The Lesser of $220 and Prevailing Market Price [member] | Gold Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | Before 8.6 Million Ounces [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price | 220
The Lesser of $5 and Prevailing Market Price [member] | Silver Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | Before 40.3 Million Ounces [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price | 5
The Lesser of $10 and Prevailing Market Price [member] | Silver Commodity Type [member] | Hugo North Extension and Heruga Gold Stream [member] | After 40.3 Million Ounces [member] |
Contractual commitments [Line Items] |
Commodity per ounce purchase price | 10

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