| Submission | Feb. 11, 2025 |
| Submission [Line Items] | |
| Central Index Key | 0000719413 |
| Registrant Name | HECLA MINING CO/DE/ |
| Form Type | S-3 |
| Submission Type | S-3ASR |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings | Feb. 11, 2025 USD ($) |
| Offering: 1 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Debt |
| Security Class Title | Debt Securities |
| Offering Note | (1) Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities. (2) The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay “pay-as-you-go (3) An unspecified aggregate initial offering price and amount of securities of each identified class is being registered and may from time to time be offered at unspecified prices or issued upon redemption, exercise, conversion, exchange or settlement of any securities covered by this Registration Statement, including under any applicable antidilution provisions. |
| Offering: 2 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Common Stock, par value $0.25 per share |
| Offering Note | (1) Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities. (2) The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay “pay-as-you-go (3) An unspecified aggregate initial offering price and amount of securities of each identified class is being registered and may from time to time be offered at unspecified prices or issued upon redemption, exercise, conversion, exchange or settlement of any securities covered by this Registration Statement, including under any applicable antidilution provisions. |
| Offering: 3 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Preferred Stock, par value $0.25 per share |
| Offering Note | (1) Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities. (2) The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay “pay-as-you-go (3) An unspecified aggregate initial offering price and amount of securities of each identified class is being registered and may from time to time be offered at unspecified prices or issued upon redemption, exercise, conversion, exchange or settlement of any securities covered by this Registration Statement, including under any applicable antidilution provisions. |
| Offering: 4 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Other |
| Security Class Title | Warrants |
| Offering Note | (1) Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities. (2) The registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the registrant will pay “pay-as-you-go (3) An unspecified aggregate initial offering price and amount of securities of each identified class is being registered and may from time to time be offered at unspecified prices or issued upon redemption, exercise, conversion, exchange or settlement of any securities covered by this Registration Statement, including under any applicable antidilution provisions. (4) Warrants for the purchase of debt securities, preferred stock, or common stock covered by this Registration Statement or units of two or more of such securities. |
| Offering: 5 | |
| Offering: | |
| Fee Previously Paid | false |
| Other Rule | true |
| Security Type | Other |
| Security Class Title | Guarantees |
| Amount of Registration Fee | $ 0 |
| Offering Note | (3) An unspecified aggregate initial offering price and amount of securities of each identified class is being registered and may from time to time be offered at unspecified prices or issued upon redemption, exercise, conversion, exchange or settlement of any securities covered by this Registration Statement, including under any applicable antidilution provisions. (5) Guarantees of debt securities covered by this Registration Statement. Pursuant to Rule 457(n) under the Securities Act of 1933, as amended, no separate registration fee is payable for the guarantees. |
| Fees Summary | Feb. 11, 2025 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 0 |
| Total Fee Amount | $ 0 |
