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Note 5 - Loans and Leases - Troubled Debt Restructurings (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Modification percent
Principal Forgiveness [Member]
Modification amount	$ 0	$ 0
Payment Deferral [Member]
Modification amount	0	0
Extended Maturity [Member]
Modification amount	7,382	65
Contractual Interest Rate Reduction [Member]
Modification amount	0	3,261
Extended Maturity and Principal Forgiveness [Member]
Modification amount	0	0
Extended Maturity and Interest Rate Reduction [Member]
Modification amount	0	0
Financial Asset, Not Past Due [Member]
Modification amount	9,055	3,326
Financial Asset, 30 to 59 Days Past Due [Member]
Modification amount	0	0
Financial Asset, 60 to 89 Days Past Due [Member]
Modification amount	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modification amount	0	0
Financial Asset, Past Due [Member]
Modification amount	$ 0	$ 0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member]
Modification percent	0.28%	1.07%
Principal Forgiveness	$ 0	$ 0
Weighted-Average Interest Rate Reduction	0.00%	6.13%
Weighted-Average Term Extension (Month)	3 months	6 months
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Principal Forgiveness [Member]
Modification amount	$ 0	$ 0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member]
Modification amount	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Extended Maturity [Member]
Modification amount	849	65
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Modification amount	0	3,261
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Extended Maturity and Principal Forgiveness [Member]
Modification amount	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member]
Modification amount	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modification amount	849	3,326
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Modification amount	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Modification amount	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modification amount	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Modification amount	0	$ 0
Commercial [Member] | Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modification amount	15
Commercial [Member] | Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Modification amount	0
Commercial [Member] | Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Modification amount	0
Commercial [Member] | Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modification amount	0
Commercial [Member] | Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Modification amount	$ 0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member]
Modification percent	2.18%
Principal Forgiveness	$ 0
Weighted-Average Interest Rate Reduction	0.00%
Weighted-Average Term Extension (Month)	5 months
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Principal Forgiveness [Member]
Modification amount	$ 0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member]
Modification amount	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Extended Maturity [Member]
Modification amount	6,533
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Modification amount	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Extended Maturity and Principal Forgiveness [Member]
Modification amount	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member]
Modification amount	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modification amount	8,191
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Modification amount	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Modification amount	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modification amount	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Modification amount	$ 0

X

- Definition

Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

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-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
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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

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-Topic 310
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- Definition

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+ References

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-Topic 310
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-Paragraph 12A
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+ References

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