Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets, Current [Abstract]
Cash and cash equivalents	$ 104,743	$ 210,010
Receivables, Net, Current [Abstract]
Trade	45,146	36,437
Other, net	10,695	8,149
Inventory, Net [Abstract]
Concentrates, dore, stockpiled ore, and metals in transit and in process	37,303	25,906
Materials and supplies	53,369	41,859
Other Assets, Current	16,471	19,266
Total current assets	267,727	341,627
Investments	24,018	10,844
Restricted cash and investments	1,164	1,053
Properties, plants, equipment and mineral interests, net	2,569,790	2,310,810
Operating Lease, Right-of-Use Asset	11,064	12,435
Deferred tax assets	21,105	45,562
Other non-current assets	32,304	6,477
Total assets	2,927,172	2,728,808
Liabilities, Current [Abstract]
Accounts payable and accrued liabilities	84,747	68,100
Accrued payroll and related benefits	37,579	28,714
Accrued taxes	4,030	12,306
Accrued reclamation and closure costs	8,591	9,259
Accrued interest	14,454	14,454
Current derivative liabilities	16,125	19,353
Other current liabilities	3,457	2,585
Total current liabilities	178,466	160,383
Finance leases	9,483	5,612
Accrued reclamation and closure costs	108,408	103,972
Long-term debt including finance leases	517,742	515,871
Deferred tax liability	125,846	149,706
Pension liability	0	4,673
Non-current derivatitive liabilities	6,066	18,528
Other non-current liabilities	11,677	14,888
Total liabilities	948,205	968,021
Commitments and contingencies (Notes 4, 5, 8, 9, 13 and 14)
Series B preferred stock, $0.25 par value, issued 2022 - 157,776 shares (2021 - 157,816 shares issued and outstanding), liquidation preference - $7,891	39	39
Common stock, $0.25 par value, authorized 750,000,000 shares; issued 2022 - 607,619,495 shares and 2021 - 545,534,760 shares	151,819	136,391
Capital surplus	2,260,290	2,034,485
Accumulated deficit	(403,931)	(353,651)
Accumulated other comprehensive income (loss), net	2,448	28,456
Less treasury stock, at cost; 2022 - 8,132,553 and 2021 - 7,395,295 shares issued and held in treasury	(31,698)	(28,021)
Total stockholders’ equity	1,978,967	1,760,787
Total liabilities and stockholders’ equity	$ 2,927,172	$ 2,728,808