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HL Hecla Mining

Document And Entity Information

Document And Entity InformationApr. 08, 2021
Document Information [Line Items]
Entity, Registrant NameHECLA MINING COMPANY
Document, Type8-K
Document, Period End DateApr. 8,
2021
Entity, Incorporation, State or Country CodeDE
Entity, File Number1-8491
Entity, Tax Identification Number77-0664171
Entity, Address, Address Line One6500 North Mineral Drive, Suite 200
Entity, Address, City or TownCoeur d'Alene
Entity, Address, State or ProvinceID
Entity, Address, Postal Zip Code83815-9408
City Area Code208
Local Phone Number769-4100
Written Communicationsfalse
Soliciting Materialfalse
Pre-commencement Tender Offerfalse
Pre-commencement Issuer Tender Offerfalse
Entity, Emerging Growth Companyfalse
Amendment Flagfalse
Entity, Central Index Key0000719413
CommonStock Custom [Member]
Document Information [Line Items]
Title of 12(b) SecurityCommon Stock
Trading SymbolHL
Security Exchange NameNYSE
SeriesBCumulativeConvertiblePreferredStock Custom [Member]
Document Information [Line Items]
Title of 12(b) SecuritySeries B Cumulative Convertible Preferred Stock
Trading SymbolHL-PB
Security Exchange NameNYSE