SUBSEQUENT EVENTS (Details) $ / shares in Units, oz in Millions, $ in Millions, $ in Millions	Aug. 02, 2022 USD ($) oz	Jul. 11, 2022 USD ($)	Jul. 11, 2022 CAD ($) $ / shares	Jul. 31, 2022 USD ($)	Jun. 30, 2022 oz
Cortez Royalty
Subsequent events
Gold delivered (in ounces) | oz					14.8
Subsequent Event | GBR
Subsequent events
Consideration (in dollars per share) | $ / shares			$ 6.65
Cash consideration		$ 155	$ 199.5
Net smelter return (NSR) (as a percent)		2.00%	2.00%
Option to purchase royalty interest (as a percent)		25.00%	25.00%
Option purchase price based on original price (as a percent)		25.00%	25.00%
Threshold period for option purchase		10 years	10 years
Shareholders supporting acquisition (as a percent)		10.50%	10.50%
Termination fee		$ 6	$ 7.0
Subsequent Event | Cortez Royalty
Subsequent events
Cash paid for acquisition of royalty interests	$ 525
GSR royalty (as a percent)	1.20%
Production payable (as a percent)	40.00%
Subsequent Event | Cortez Royalty | Credit Facility
Subsequent events
Principal amount of debt issued				$ 500
Available under the revolving credit facility				$ 500
Effective interest rate (as percent)				5.60%
Subsequent Event | Cortez Royalty | Minimum
Subsequent events
GSR royalty (as a percent)	0.00%
Purchase price per ounce of gold (as a percent)	400.00%
Gold delivered (in ounces) | oz	15.0
Subsequent Event | Cortez Royalty | Maximum
Subsequent events
GSR royalty (as a percent)	3.00%
Purchase price per ounce of gold (as a percent)	900.00%
Subsequent Event | Cortez Royalty | Barrick | Nevada Gold Mines
Subsequent events
Ownership percentage held	61.50%
Subsequent Event | Cortez Royalty | Barrick | Fourmile
Subsequent events
Ownership percentage held	100.00%
Subsequent Event | Cortez Royalty | Newmont | Nevada Gold Mines
Subsequent events
Ownership percentage held	38.50%