Note 4 - Loans and Leases and Allowance for Credit Losses (Details Textual) $ in Thousands	3 Months Ended
Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Financing Receivable, Nonaccrual	$ 5,980		$ 5,338
Loans Still Classified as Non-accrual Status, Period of Past Due (Day)	90 days
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 26		38
Number of Real Estate Properties, Foreclosed	0	0
Commercial Portfolio Segment [Member] \| Main Street Lending Program [Member]
Financing Receivable, Modifications	$ 16,400
Financing Receivable, Percent Guaranteed	95.00%
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 777
Residential Portfolio Segment [Member]
Financing Receivable, Modifications		$ 79
Financing Receivable, Modifications, Number of Contracts		1
Number of Real Estate Properties in OREO	3	3
Mortgage Loans in Process of Foreclosure, Amount	$ 199	$ 212
Small Business Administration [Member]
Loans Serviced for Others, Unpaid Principal Balance	$ 75,100		$ 75,800

Amount of the financing receivables modified during the period.

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- Definition

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

+ References

No definition available.

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- Definition

The percent guaranteed of financing receivable.

+ References

No definition available.

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- Definition

Represents the unpaid principle balance of loans serviced for others.

+ References

No definition available.

+ Details

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- Definition

Represents the number of days past due at which a loan is transferred to non-accrual status.

+ References

No definition available.

+ Details

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- Definition

The number of real estate properties were foreclosed during the period.

+ References

No definition available.

+ Details

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- Definition

Represents the number of real estate properties included in other real estate owned as of the balance sheet date.

+ References

No definition available.

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- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

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