Commitments and Contingencies - Schedule of Purchase Commitments in Connection With Commodity Streams (Detail)	Dec. 31, 2022 $ / per_Oz oz
Gold Commodity Type [member] \| Black Fox [member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	8.00%
Gold Commodity Type [member] \| Black Fox [member] \| Lesser of 589 and Prevailing Market Price [Member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price \| $ / per_Oz	589
Gold Commodity Type [member] \| Karma [member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	1.625%
Commodity per ounce purchase price percentage of market price	20.00%
Gold Commodity Type [member] \| Santa Elena [member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	20.00%
Gold Commodity Type [member] \| Santa Elena [member] \| Lesser of 473 and prevailing market price [member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price \| $ / per_Oz	473
Gold Commodity Type [member] \| Relief Canyon [member]
Commitments and Contingencies [Line Items]
Threshold, percentage life of mine or relevant weight commodity change \| oz	32,022
Gold Commodity Type [member] \| Relief Canyon [member] \| After 32,022 Ounces Over 5.5 Years [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	4.00%
Gold Commodity Type [member] \| Vatukoula [Member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price percentage of market price	20.00%
Threshold, percentage life of mine or relevant weight commodity change \| oz	11,022
Gold Commodity Type [member] \| Vatukoula [Member] \| Above 100000 Ounces Produced In Calendar Year [Member] \| After 11,022 Ounces Over 4.5 Years [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	1.199%
Gold Commodity Type [member] \| Vatukoula [Member] \| Upto First 100000 Ounces Produced In Calendar Year [Member] \| After 11,022 Ounces Over 4.5 Years [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	1.363%
Gold Commodity Type [member] \| Hod Maden [member] \| Upto Delivery of 405000 Ounces of Gold [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	20.00%
Commodity per ounce purchase price percentage of market price	50.00%
Gold Commodity Type [member] \| Hod Maden [member] \| After Delivery of 405,000 Ounces of Gold [Member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price percentage of market price	60.00%
Gold Commodity Type [member] \| Greenstone [Member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price percentage of market price	20.00%
Gold Commodity Type [member] \| Greenstone [Member] \| Upto Delivery of 120333 Ounces of Gold [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	2.375%
Gold Commodity Type [member] \| Mercedes [Member]
Commitments and Contingencies [Line Items]
Threshold, percentage life of mine or relevant weight commodity change \| oz	25,200
Gold Commodity Type [member] \| Mercedes [Member] \| After Delivery of 25,200 Ounces of Gold [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	4.40%
Gold Commodity Type [member] \| Platreef [Member] \| Upto Delivery of 131250 Ounces of Gold [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	37.50%
Gold Commodity Type [member] \| Blyvoor [Member] \| Lesser of 572 and Prevailing Market Price [Member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price \| $ / per_Oz	572
Gold Commodity Type [member] \| Blyvoor [Member] \| Up to First 16,000 Ounces of Gold Produced Per Annum [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	10.00%
Gold Commodity Type [member] \| Bonikro [Member] \| Lesser of 400 and Prevailing Market Price [Member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price \| $ / per_Oz	400
Gold Commodity Type [member] \| Bonikro [Member] \| Upto Delivery of 39000 Ounces of Gold [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	6.00%
Copper Commodity Type [member] \| Chapada Mine [member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	4.20%
Commodity per ounce purchase price percentage of market price	30.00%
Gold and Silver Commodity Type [member] \| Hugo North Extension [member] \| Below 560 Metres Threshold [member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	5.62%
Gold and Silver Commodity Type [member] \| Heruga [member] \| Below 560 Metres Threshold [member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	4.26%
Silver Commodity Type [member] \| Yamana Silver Stream [member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price percentage of market price	30.00%
Threshold, percentage life of mine or relevant weight commodity change \| oz	7,000,000
Silver Commodity Type [member] \| Yamana Silver Stream [member] \| Up to delivery of 7 million ounces [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	20.00%
Silver Commodity Type [member] \| Mercedes [Member] \| After Delivery of 3,750,000 Ounces of Silver [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	30.00%
Silver Commodity Type [member] \| South Arturo [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	40.00%
Commodity per ounce purchase price percentage of market price	20.00%
Silver Commodity Type [member] \| Woodlawn [Member]
Commitments and Contingencies [Line Items]
Commodity per ounce purchase price percentage of market price	20.00%
Zinc Commodity Type [Member] \| CEZinc [Member]
Commitments and Contingencies [Line Items]
Percentage of life of mine gold or relevant commodity	1.00%
Commodity per ounce purchase price percentage of market price	20.00%