ACQUISITION OF SANDSTORM GOLD AND HORIZON COPPER (Details) - Sandstorm and Horizon - USD ($) $ in Thousands	3 Months Ended	8 Months Ended
	Jun. 30, 2026	Jun. 30, 2026	Oct. 20, 2025
Business Combination [Line Items]
Cash	$ 60,024	$ 60,024	$ 60,024
Royalty receivables	35,374	35,374	35,374
Income tax receivable	1,232	1,232	1,232
Prepaid expenses and other	1,170	1,170	1,170
Stream and royalty interests	4,681,225	4,681,225	4,561,177
Equity method investment	137,462	137,462	292,089
Marketable securities	380,269	380,269	380,269
Other assets	57,125	57,125	57,125
Accounts payable	(51,487)	(51,487)	(51,913)
Other current liabilities	(28,932)	(28,932)	(28,932)
Deferred tax liabilities	(1,042,756)	(1,042,756)	(1,076,909)
Other liabilities	(43,754)	(43,754)	(43,754)
Non-controlling interests	(38,797)	(38,797)	(38,797)
Total allocated purchase price	4,148,155	4,148,155	$ 4,148,155
Measurement period adjustments
Stream and royalty interests	120,000	120,048
Equity method investment	$ (154,600)	(154,627)
Accounts payable		426
Deferred tax liabilities		34,153
Total allocated purchase price		$ 0