Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income and comprehensive income	$ 47,309	$ 64,071
Adjustments to reconcile net income and comprehensive income to net cash provided by operating activities:
Depreciation, depletion and amortization	38,765	46,328
Non-cash employee stock compensation expense	2,988	2,636
Fair value changes in equity securities	(447)	(799)
Deferred tax expense	648	1,092
Other	222	214
Changes in assets and liabilities:
Royalty receivables	10,127	2,471
Stream inventory	(1,629)	1,056
Income tax receivable	(433)	1,342
Prepaid expenses and other assets	10,763	(914)
Accounts payable	158	1,166
Income tax payable	6,465	(7,840)
Mount Milligan support liability	25,000	0
Other liabilities	(1,652)	(2,168)
Net cash provided by operating activities	138,284	108,655
Cash flows from investing activities:
Acquisition of stream and royalty interests	(1,104)	0
Proceeds from Khoemacau debt facility	25,000	0
Other	(305)	(197)
Net cash provided by (used in) investing activities	23,591	(197)
Cash flows from financing activities:
Repayment of debt	(100,000)	(75,000)
Net payments from issuance of common stock	(1,369)	(397)
Common stock dividends	(26,292)	(24,629)
Other	(431)	(202)
Net cash used in financing activities	(128,092)	(100,228)
Net increase in cash and equivalents	33,783	8,230
Cash and equivalents at beginning of period	104,167	118,586
Cash and equivalents at end of period	$ 137,950	$ 126,816