Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 24,585	$ 106,374
Accounts receivable:
Trade	30,242	14,740
Other, net	19,051	18,376
Inventories:
Product inventories	44,790	28,823
Materials and supplies	64,954	64,824
Other current assets	16,608	27,125
Total current assets	200,230	260,262
Investments	38,135	33,724
Restricted cash and cash equivalents	1,171	1,165
Property, plant and mine development, net	2,657,995	2,666,250
Operating lease right-of-use assets	8,302	8,349
Deferred tax assets	0	2,883
Other non-current assets	33,931	38,471
Total assets	2,939,764	3,011,104
Current liabilities:
Accounts payable and accrued liabilities	80,732	81,599
Accrued payroll and related benefits	25,938	28,240
Accrued taxes	2,474	3,501
Finance leases	7,874	9,752
Accrued reclamation and closure costs	10,049	9,660
Accrued interest	14,368	14,405
Other current liabilities	14,090	10,303
Total current liabilities	155,525	157,460
Accrued reclamation and closure costs	109,777	110,797
Long-term debt including finance leases	582,577	653,063
Deferred tax liability	100,732	104,835
Other non-current liabilities	11,088	16,845
Total liabilities	959,699	1,043,000
Commitments and contingencies (Notes 4, 7, 8, and 11)
STOCKHOLDERS' EQUITY
Series B preferred stock, $0.25 par value, 157,776 shares issued and outstanding, liquidation preference - $7,889	39	39
Common stock, $0.25 par value, authorized 750,000,000 shares; issued June 30, 2024 - 627,317,818 shares and December 31, 2023 - 624,647,379 shares	156,745	156,076
Capital surplus	2,354,004	2,343,747
Accumulated deficit	(489,738)	(503,861)
Accumulated other comprehensive income (loss), net	(6,054)	5,837
Less treasury stock, at cost; June 30, 2024 - 8,813,127 and December 31, 2023 - 8,535,161 shares issued and held in treasury	(34,931)	(33,734)
Total stockholders' equity	1,980,065	1,968,104
Total liabilities and stockholders' equity	$ 2,939,764	$ 3,011,104