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

REVENUE - Metal Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue
Revenue	$ 158,360	$ 123,643	$ 305,240	$ 242,417
Stream interests
Disaggregation of Revenue
Revenue	107,719	89,625	214,222	176,606
Stream interests \| Gold
Disaggregation of Revenue
Revenue	83,685	69,111	167,282	141,335
Stream interests \| Silver
Disaggregation of Revenue
Revenue	11,128	8,929	22,026	17,365
Stream interests \| Copper
Disaggregation of Revenue
Revenue	12,906	11,585	24,914	17,906
Royalty interests
Disaggregation of Revenue
Revenue	50,641	34,018	91,018	65,811
Royalty interests \| Gold
Disaggregation of Revenue
Revenue	36,471	22,068	63,375	43,825
Royalty interests \| Silver
Disaggregation of Revenue
Revenue	4,193	3,365	7,634	5,194
Royalty interests \| Copper
Disaggregation of Revenue
Revenue	4,395	4,107	8,456	7,087
Royalty interests \| Other
Disaggregation of Revenue
Revenue	$ 5,582	$ 4,478	$ 11,553	$ 9,705