Note 10 - Borrowings (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Other Borrowings	$ 19,528	$ 19,180
Federal Home Loan Bank, Advance	$ 0	0
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Fed Funds Effective Rate Overnight Index Swap Rate [Member]
Federal Home Loan Bank Advances [Member]
Debt Instrument, Collateral Amount	$ 52,600	53,600
Derivative Liability, Fair Value of Collateral	43,700	44,100
Discount Window Borrowing [Member] \| Federal Home Loan Bank of Atlanta [Member]
Debt Instrument, Face Amount	$ 74,200	$ 119,200
Long-Term Debt, Weighted Average Interest Rate, over Time	4.88%	4.60%
Debt Instrument, Basis Spread on Variable Rate	0.10%
Debt Instrument, Collateral Amount	$ 369,700	$ 381,000
Derivative Liability, Fair Value of Collateral	340,200	350,600
Borrower-In-Custody Program [Member] \| Federal Home Loan Bank of Atlanta [Member]
Debt Instrument, Face Amount	0
Debt Instrument, Collateral Amount	91,600	93,500
Derivative Liability, Fair Value of Collateral	67,100	65,500
Short Term Repurchase Agreements [Member]
Debt Instrument, Collateral Amount	43,200	53,600
Derivative Liability, Fair Value of Collateral	$ 40,700	$ 44,100
Debt Instrument, Interest Rate, Stated Percentage	1.49%	1.49%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Amount of assets pledged to secure a debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Indicates type of variable interest rate on debt instrument.

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- Definition

Fair value of securities pledged as collateral against derivative liabilities.

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Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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Weighted average interest rate of long-term debt outstanding calculated over time.

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The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

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