Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities:
Net income (loss)	$ 23,878	$ (41,282)
Non-cash elements included in net income (loss):
Depreciation, depletion and amortization	149,265	111,705
Inventory adjustments	10,074	16,332
Fair value adjustments, net	(6,804)	5,774
Provision for reclamation and closure costs	5,428	7,805
Stock-based compensation	6,401	5,122
Deferred income taxes	14,261	795
Writedown of property, plant and equipment	14,464	0
Net foreign exchange gain	(3,409)	(434)
Other non-cash items, net	145	1,624
Change in assets and liabilities:
Accounts receivable	(24,199)	25,020
Inventories	(27,375)	(24,339)
Other current and non-current assets	353	(15,045)
Accounts payable, accrued and other current liabilities	(6,991)	(2,389)
Accrued payroll and related benefits	6,592	(11,244)
Accrued taxes	1,069	(1,008)
Accrued reclamation and closure costs and other non-current liabilities	(12,345)	(3,821)
Net cash provided by operating activities	150,807	74,615
Investing activities:
Additions to property, plant and mine development	(153,708)	(161,265)
Proceeds from disposition of assets	1,473	160
Purchases of investments	(73)	(1,753)
Net cash used in investing activities	(152,308)	(162,858)
Financing activities:
Proceeds from sale of common stock, net	58,368	25,888
Acquisition of treasury stock	(1,197)	(2,036)
Borrowing of debt	150,000	119,000
Repayment of debt	(265,000)	(39,000)
Dividends paid to common and preferred stockholders	(16,691)	(11,755)
Repayments of finance leases	(7,841)	(7,990)
Net cash (used in) provided by financing activities	(82,361)	84,107
Effect of exchange rates on cash	(220)	77
Net decrease in cash, cash equivalents and restricted cash and cash equivalents	(84,082)	(4,059)
Cash, cash equivalents and restricted cash and cash equivalents at beginning of period	107,539	105,907
Cash, cash equivalents and restricted cash and cash equivalents at end of period	23,457	101,848
Supplemental disclosure of cash flow information:
Cash paid for interest	44,424	37,514
Cash paid for income and mining taxes, net	5,730	7,385
Significant non-cash investing and financing activities:
Addition of finance lease obligations and right-of-use assets	0	16,092
Common stock issued to ATAC Resources Ltd. shareholders	0	18,789
Common stock issued as incentive compensation	4,425	0
Common stock issued to directors	770	676
Common stock issued to interim CEO	182	0
Common stock issued for 401-K match	$ 3,714	$ 3,713