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Note 9 - Derivative Instruments and Hedging Activities - Effect of Derivative and Hedging Activity, on Consolidated Statements of Income (Details) - Interest Rate Swap [Member] - Interest and Fees on Loans [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Derivative expense	$ 51	$ 78	$ 127	$ 174
Designated as Hedging Instrument [Member]
Derivative expense	19	28	44	56
Not Designated as Hedging Instrument [Member]
Derivative expense	$ 32	$ 50	$ 83	$ 118

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

+ Details

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Balance Type:	credit
Period Type:	duration

X

- Details

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- Details

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X

- Details

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- Details

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