Acquisition of Sandstorm Gold and Horizon Copper - Business Combination, Recognized Asset Acquired and Liability Assumed (Details) - Sandstorm And Horizon $ in Thousands	Oct. 20, 2025 USD ($)
Business Combination [Line Items]
Cash	$ 60,024
Royalty receivables	35,374
Income tax receivable	1,232
Prepaid expenses and other	1,170
Stream and royalty interests	4,561,177
Equity method investment	292,089
Marketable securities	380,269
Other assets	57,125
Accounts payable	(51,913)
Other current liabilities	(28,932)
Deferred tax liabilities	(1,076,909)
Other liabilities	(43,754)
Non-controlling interests	(38,797)
Total allocated purchase price	$ 4,148,155