Note 5 - Loans and Leases - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($)
TDR percent
Principal Forgiveness	$ 0
Weighted-Average Interest Rate Reduction	6.13%
Weighted-Average Term Extension (Month)	6 months
Principal Forgiveness [Member]
TDRs amount	$ 0
Payment Deferral [Member]
TDRs amount	0
Extended Maturity [Member]
TDRs amount	65
Contractual Interest Rate Reduction [Member]
TDRs amount	3,261
Extended Maturity and Principal Forgiveness [Member]
TDRs amount	0
Extended Maturity and Interest Rate Reduction [Member]
TDRs amount	$ 0
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
TDR percent	1.07%
Principal Forgiveness	$ 0
Weighted-Average Interest Rate Reduction	6.13%
Weighted-Average Term Extension (Month)	6 months
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Principal Forgiveness [Member]
TDRs amount	$ 0
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Payment Deferral [Member]
TDRs amount	0
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Extended Maturity [Member]
TDRs amount	65
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Contractual Interest Rate Reduction [Member]
TDRs amount	3,261
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Extended Maturity and Principal Forgiveness [Member]
TDRs amount	0
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Extended Maturity and Interest Rate Reduction [Member]
TDRs amount	$ 0

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

+ References

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+ References

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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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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
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