Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 95,939	$ 104,743
Accounts receivable:
Trade	28,928	45,146
Other, net	13,216	10,695
Inventories:
Concentrates, dore, stockpiled ore, and metals in transit and in-process	28,054	37,303
Materials and supplies	56,286	53,369
Other current assets	22,527	16,471
Total current assets	244,950	267,727
Investments	26,434	24,018
Restricted cash and investments	1,347	1,164
Properties, plants, equipment and mineral interests, net	2,587,565	2,569,790
Operating lease right-of-use assets	10,609	11,064
Deferred tax assets	13,280	21,105
Other non-current assets	41,439	32,304
Total assets	2,925,624	2,927,172
Current liabilities:
Accounts payable and accrued liabilities	83,704	84,747
Accrued payroll and related benefits	41,141	37,579
Accrued taxes	6,318	4,030
Finance leases	9,040	9,483
Accrued reclamation and closure costs	8,531	8,591
Accrued interest	5,191	14,454
Other current liabilities	11,428	19,582
Total current liabilities	165,353	178,466
Accrued reclamation and closure costs	109,808	108,408
Long-term debt including finance leases	516,961	517,742
Deferred tax liability	121,081	125,846
Other non-current liabilities	20,264	17,743
Total liabilities	933,467	948,205
Commitments and contingencies (Notes 4, 7, 8, and 10)
STOCKHOLDERS' EQUITY
Preferred stock, 5,000,000 shares authorized - 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 March 31, 2023 - 610,490,740 shares and December 31, 2022 - 607,619,495 shares	152,536	151,819
Capital surplus	2,273,793	2,260,290
Accumulated deficit	(410,995)	(403,931)
Accumulated other comprehensive income (loss)	8,964	2,448
Less treasury stock, at cost; March 31, 2023 - 8,132,553 and December 31, 2022 - 8,132,553 shares issued and held in treasury	(32,180)	(31,698)
Total stockholders' equity	1,992,157	1,978,967
Total liabilities and stockholders' equity	$ 2,925,624	$ 2,927,172