REVENUE - Metal Disaggregation (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue
Revenue	$ 719,395	$ 605,717	$ 603,206
Stream interest
Disaggregation of Revenue
Revenue	483,294	418,280	417,793
Stream interest \| Gold
Disaggregation of Revenue
Revenue	367,492	307,797	308,302
Stream interest \| Silver
Disaggregation of Revenue
Revenue	66,812	64,851	50,591
Stream interest \| Copper
Disaggregation of Revenue
Revenue	48,990	45,632	58,900
Royalty interest
Disaggregation of Revenue
Revenue	236,101	187,437	185,413
Royalty interest \| Gold
Disaggregation of Revenue
Revenue	176,888	154,327	131,014
Royalty interest \| Silver
Disaggregation of Revenue
Revenue	18,702	8,554	13,690
Royalty interest \| Copper
Disaggregation of Revenue
Revenue	17,776	11,792	15,019
Royalty interest \| Other
Disaggregation of Revenue
Revenue	$ 22,735	$ 12,764	$ 25,690

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.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details