Note 4 - Loans, Allowance for Credit Losses and Other Real Estate Owned (Details Textual) $ in Thousands	6 Months Ended
Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Financing Receivable, Allowance for Credit Loss	$ 15,952	$ 18,480	$ 15,879	$ 16,867	$ 19,509	$ 20,284
Financing Receivable, Modified in Period, Amount	0	0
Other Real Estate	0			0
Mortgage Loans in Process of Foreclosure, Amount	0			0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss	$ 5,922	6,083	5,758	$ 5,925	6,258	5,888
Number of Collateral-dependent Loans	10			9
Collateral-dependent Loans, Balance	$ 11,300			$ 10,900
Financing Receivable, Held-for-Sale	0			0
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss	5,867	$ 7,399	$ 6,092	6,455	$ 7,267	$ 8,076
Collateral-dependent Loans, Balance	470			377
Nonperforming Financial Instruments [Member]
Financing Receivable, Allowance for Credit Loss	0			0
Loans and Leases Receivable, Nonaccrual, Commitment to Lend	$ 0			$ 0

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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

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Amount, before valuation allowance, of financing receivable classified as held-for-sale.

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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.

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Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

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Represents the balance of collateral-dependent loans as of the specified date. A loan is considered collateral-dependent when the borrower is experiencing financial difficult and repayment is expected to be provided substantially through the operation or sale of the collateral.

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