Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Net Income (Loss)	$ 22,117	$ (18,867)
Non-cash elements included in net income (loss):
Depreciation, depletion and amortization	105,147	74,610
Inventory adjustments	9,896	7,518
Fair value adjustments, net	(3,150)	(623)
Provision for reclamation and closure costs	3,606	5,328
Stock-based compensation	4,146	2,688
Deferred income taxes	5,688	4,585
Foreign exchange (gain) loss	(6,655)	3,807
Other non-cash items, net	(196)	1,574
Change in assets and liabilities:
Accounts receivable	(17,114)	28,564
Inventories	(30,873)	(18,121)
Other current and non-current assets	8,342	(15,063)
Accounts payable, accrued and other current liabilities	(2,301)	143
Accrued payroll and related benefits	3,820	(9,543)
Accrued taxes	(1,016)	(85)
Accrued reclamation and closure costs and other non-current liabilities	(5,659)	(2,135)
Cash provided by operating activities	95,798	64,380
Investing activities:
Additions to property, plant and mine development	(98,009)	(105,911)
Proceeds from disposition of assets	1,274	80
Purchases of investments	(73)	0
Net cash used in investing activities	(96,808)	(105,831)
Financing activities:
Proceeds from sale of common stock, net	1,103	25,888
Acquisition of treasury stock	(1,197)	(2,036)
Borrowing of debt	67,000	56,000
Repayment of debt	(133,000)	(25,000)
Dividends paid to common and preferred stockholders	(7,994)	(7,808)
Repayments of finance leases	(5,505)	(4,765)
Net cash (used in) provided by financing activities	(79,593)	42,279
Effect of exchange rates on cash	(1,180)	1,217
Net (decrease) increase in cash, cash equivalents and restricted cash and cash equivalents	(81,783)	2,045
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	25,756	107,952
Supplemental disclosure of cash flow information:
Cash paid for interest	23,442	18,812
Cash paid for income and mining taxes, net	4,999	6,152
Significant non-cash investing and financing activities:
Addition of finance lease obligations and right-of-use assets	0	16,092
Common stock issued as incentive compensation	3,355	359
Common stock issued for 401-K match	$ 2,322	$ 2,256