Note 5 - Loans and Leases - Troubled Debt Restructurings (Details) $ in Thousands	6 Months Ended
Jun. 30, 2023 USD ($)
Modification percent
Principal Forgiveness	$ 0
Weighted-Average Interest Rate Reduction	6.13%
Weighted-Average Term Extension (Month)	8 months 24 days
Commercial Portfolio Segment [Member] \| Commercial [Member]
Modification percent	0.03%
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Modification percent	1.30%
Principal Forgiveness	$ 0
Weighted-Average Interest Rate Reduction	6.13%
Weighted-Average Term Extension (Month)	8 months 24 days
Principal Forgiveness [Member]
Modification amount	$ 0
Principal Forgiveness [Member] \| Commercial Portfolio Segment [Member] \| Commercial [Member]
Modification amount	0
Principal Forgiveness [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Modification amount	0
Payment Deferral [Member]
Modification amount	46
Payment Deferral [Member] \| Commercial Portfolio Segment [Member] \| Commercial [Member]
Modification amount	46
Payment Deferral [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Modification amount	0
Extended Maturity [Member]
Modification amount	915
Extended Maturity [Member] \| Commercial Portfolio Segment [Member] \| Commercial [Member]
Modification amount	0
Extended Maturity [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Modification amount	915
Contractual Interest Rate Reduction [Member]
Modification amount	3,191
Contractual Interest Rate Reduction [Member] \| Commercial Portfolio Segment [Member] \| Commercial [Member]
Modification amount	0
Contractual Interest Rate Reduction [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Modification amount	3,191
Extended Maturity and Principal Forgiveness [Member]
Modification amount	0
Extended Maturity and Principal Forgiveness [Member] \| Commercial Portfolio Segment [Member] \| Commercial [Member]
Modification amount	0
Extended Maturity and Principal Forgiveness [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Modification amount	0
Extended Maturity and Interest Rate Reduction [Member]
Modification amount	0
Extended Maturity and Interest Rate Reduction [Member] \| Commercial Portfolio Segment [Member] \| Commercial [Member]
Modification amount	0
Extended Maturity and Interest Rate Reduction [Member] \| Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Modification amount	$ 0

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Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

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- Definition

Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

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Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount of increase (decrease) in amortized cost of financing receivable modified for debtor experiencing financial difficulty.

+ References

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-Topic 310
-SubTopic 10
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