Note 15 - Derivatives and Hedging Activities - Derivatives Not Designated as Hedging (Details) - Not Designated as Hedging Instrument [Member]	12 Months Ended
Dec. 31, 2025 oz $ / oz
Derivatives, Fair Value [Line Items]
Volume (Ounce) \| oz	43,000
Weighted average price (in USD per Ounce) \| $ / oz	1,993
Commodity Contract 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume (Ounce) \| oz	28,000
Weighted average price (in USD per Ounce) \| $ / oz	2,025
Commodity Contract 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume (Ounce) \| oz	15,000
Weighted average price (in USD per Ounce) \| $ / oz	1,933

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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