Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income and comprehensive income	$ 183,242	$ 206,578
Adjustments to reconcile net income and comprehensive income to net cash provided by operating activities:
Depreciation, depletion and amortization	129,739	139,935
Non-cash employee stock compensation expense	6,632	4,340
Fair value changes in equity securities	1,221	(4,035)
Deferred tax (benefit) expense	(17,757)	8,465
Other	734	1,418
Changes in assets and liabilities:
Royalty receivables	25,612	(8,643)
Stream inventory	(2,083)	1,678
Income tax receivable	(10,141)	4,858
Prepaid expenses and other assets	(3,073)	(1,608)
Accounts payable	857	2,859
Income tax payable	2,646	615
Uncertain tax positions		(12,378)
Other liabilities	(1,310)	(1,111)
Net cash provided by operating activities	316,319	342,971
Cash flows from investing activities:
Acquisition of stream and royalty interests	(715,829)	(384,315)
Khoemacau subordinated debt facility		(25,000)
Proceeds from sale of equity securities		8,651
Other	(676)	(910)
Net cash used in investing activities	(716,505)	(401,574)
Cash flows from financing activities:
Repayment of debt	(50,000)	(200,000)
Borrowings from revolving credit facility	500,000	100,000
Net payments from issuance of common stock	(1,438)	(959)
Common stock dividends	(68,938)	(59,046)
Other	(751)	(3,043)
Net cash provided by (used in) financing activities	378,873	(163,048)
Net decrease in cash and equivalents	(21,313)	(221,651)
Cash and equivalents at beginning of period	143,551	381,859
Cash and equivalents at end of period	$ 122,238	$ 160,208