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Note 10 - Derivative Instruments and Hedging Activities - Effect of Derivative and Hedging Activity, on Consolidated Statements of Income (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jul. 26, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivative expense	$ (72)
Interest and Fees on Loans [Member]
Derivative expense		$ (26)	$ 51	$ (46)	$ 127
Designated as Hedging Instrument [Member] | Interest and Fees on Loans [Member]
Derivative expense		(26)	19	$ (46)	44
Not Designated as Hedging Instrument [Member] | Interest and Fees on Loans [Member]
Derivative expense		$ 0	$ 32		$ 83

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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X

- Details

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X

- Details

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X

- Details

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