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Represents the option to acquire a percentage of royalty pursuant to the agreement.

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Represents percentage of net smelter return.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Mineral properties, net of adjustments.

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The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.

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The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

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No definition available.

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ACQUISITIONS AND DISPOSITIONS - Dispositions (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Sep. 30, 2020	Sep. 29, 2020	Sep. 30, 2020	Jun. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Dispositions
Proceeds from sale of Peak Gold JV interest				$ 49,154
Proceeds from sale of equity securities				12,146
Stream and royalty interest					$ 3,237,402	$ 2,443,752
Gain on sale of Peak Gold JV interest				$ 33,906
Peak Gold/Manh Choh
Dispositions
Percentage of ownership interest	40.00%		40.00%
Peak Gold LLC
Dispositions
Total cash consideration	$ 4,000
Royalty that can be acquired (as a percent)	50.00%
Peak Gold/Manh Choh
Dispositions
Net smelter return (NSR) (as a percent)	28.00%
Stream and royalty interest					$ 4,400
Alaska mining claims
Dispositions
Net smelter return (NSR) (as a percent)	3.00%	2.00%
Royalty that can be acquired (as a percent)	1.00%
Peak Gold/Manh Choh
Dispositions
Proceeds from sale of Peak Gold JV interest	$ 49,200
Total cash consideration	$ 61,300
Gain on sale of Peak Gold JV interest			$ 33,900
Contango
Dispositions
Number of shares sold	809,744		809,744
Proceeds from sale of equity securities	$ 12,100
Mark-to-market increase on sale			$ 3,600