Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net income and comprehensive income	$ 113,578	$ 47,309
Adjustments to reconcile net income and comprehensive income to net cash provided by operating activities:
Depreciation, depletion and amortization	32,995	38,765
Non-cash employee stock compensation expense	3,198	2,988
Fair value changes in equity securities	37	(447)
Deferred tax (benefit) expense	(8,828)	648
Other	224	222
Changes in assets and liabilities:
Royalty receivables	5,731	10,127
Stream inventory	(1,583)	(1,629)
Income tax receivable	(231)	(433)
Prepaid expenses and other assets	345	10,763
Accounts payable	135	158
Income tax payable	(7,832)	6,465
Mount Milligan deferred liability	0	25,000
Other liabilities	(1,400)	(1,652)
Net cash provided by operating activities	136,369	138,284
Cash flows from investing activities:
Acquisition of stream and royalty interests	(58,246)	(1,104)
Proceeds from Khoemacau debt facility	0	25,000
Other	(49)	(305)
Net cash (used in) provided by investing activities	(58,295)	23,591
Cash flows from financing activities:
Repayment of debt	0	(100,000)
Net payments from issuance of common stock	(3,011)	(1,369)
Common stock dividends	(29,611)	(26,292)
Other	(190)	(431)
Net cash used in financing activities	(32,812)	(128,092)
Net increase in cash and equivalents	45,262	33,783
Cash and equivalents at beginning of period	195,498	104,167
Cash and equivalents at end of period	$ 240,760	$ 137,950