Note 5 - Loans and Leases - Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Number of Contracts	0	1
Post-Modification Recorded Investment	$ 0	$ 512
Period Increase (Decrease)	$ 0	$ 0
Commercial Real Estate Owner Occupied [Member]
Number of Contracts	0	1
Post-Modification Recorded Investment	$ 0	$ 512
Period Increase (Decrease)	$ 0	$ 0

Amount of increase (decrease) of allowance reserve for credit loss.

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

+ Details

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

+ Details

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- Details

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