Commitments (Tables)

12 Months Ended

Dec. 31, 2020

Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]

Summary of commitments to pay for gold and silver per contractual right from agreements

The following table summarizes the Company’s commitments to pay for gold and silver to which it has the contractual right pursuant to the associated agreements:

	Attributable Payable Production to be Purchased		Per Ounce Cash Payment		Term of Agreement	Date of Contract
Stream interests	Gold	Silver	Gold	Silver
Blyvoor Gold Stream	10%	—	Lesser of spot price or $572	—	Expires at 10,320,000 oz. delivered	Aug. 2018
Woodlawn Silver Stream	—	80%	—	20% of spot price	10 years after mining activity ceases	Jun. 2017 and Oct. 2019
Mercedes and South Arturo Silver Stream	—	100%	—	20% of spot price	40 years from Jan. 31, 2019	Jan. 2019 and Mar. 2020
Bonikro Gold Stream	6%	—	Lesser of spot price or $400	—	Life of mine	Oct. 2019