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Note 10 - Derivative Instruments - Impact from Derivatives on Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net Gain (Loss) Recognized	$ 365	$ 1,906	$ (664)
Interest Rate Swap [Member]
Net Gain (Loss) Recognized	365	1,906	(664)
Metal Swaps [Member]
Net Gain (Loss) Recognized	(424)	(1,903)	633
Embedded Customer Derivatives [Member]
Net Gain (Loss) Recognized	$ 424	$ 1,903	$ (633)

X

- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

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