Note 14 - Derivatives and Hedging Activities - Derivatives Not Designated as Hedging (Details) - Not Designated as Hedging Instrument [Member]	3 Months Ended
Mar. 31, 2026 oz $ / oz
Derivatives, Fair Value [Line Items]
Volume (Ounce) \| oz	22,000
Weighted average price (in USD per Ounce) \| $ / oz	1,962
Commodity Contract 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume (Ounce) \| oz	7,000
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
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4B
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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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
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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