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Note 4 - Allowance for Credit Losses - Troubled Debt Restructurings (Details) - Real Estate 1 [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Payment Deferral [Member]
Modification amount	$ 1,682
Modification percent	0.17%
Payment Deferral [Member] | Construction and Land Development [Member]
Modification amount	$ 0
Modification percent	0.00%
Payment Deferral [Member] | Secured by Multi-family Residential Properties [Member]
Modification amount	$ 0
Modification percent	0.00%
Payment Deferral [Member] | Other Real Estate Loans [Member]
Modification amount	$ 0
Modification percent	0.00%
Payment Deferral [Member] | Commercial and Industrial Loans [Member]
Modification amount	$ 1,682
Modification percent	0.17%
Contractual Interest Rate Reduction [Member]
Modification amount	$ 380
Modification percent	0.01%
Contractual Interest Rate Reduction [Member] | Construction and Land Development [Member]
Modification amount	$ 0
Modification percent	0.00%
Contractual Interest Rate Reduction [Member] | Secured by Multi-family Residential Properties [Member]
Modification amount	$ 0
Modification percent	0.00%
Contractual Interest Rate Reduction [Member] | Other Real Estate Loans [Member]
Modification amount	$ 0
Modification percent	0.00%
Contractual Interest Rate Reduction [Member] | Commercial and Industrial Loans [Member]
Modification amount	$ 380
Modification percent	0.01%

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
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-Name Accounting Standards Codification
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- Definition

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

+ References

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-Topic 310
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