{"cik":719413,"taxonomy":"us-gaap","tag":"DeferredStateAndLocalIncomeTaxExpenseBenefit","label":"Deferred State and Local Income Tax Expense (Benefit)","description":"Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.","entityName":"HECLA MINING COMPANY","units":{"USD":[{"start":"2023-01-01","end":"2023-12-31","val":3129000,"accn":"0001193125-26-055059","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":5664000,"accn":"0001193125-26-055059","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17","frame":"CY2024"},{"start":"2025-01-01","end":"2025-12-31","val":17242000,"accn":"0001193125-26-055059","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17","frame":"CY2025"}]}}