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Note 3 - Loans (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	$ 1,200	$ 1,100
Financing Receivable, before Allowance for Credit Loss	994,720	969,430	$ 952,499
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium)	1,700
Commercial and Industrial Loans [Member]
Financing Receivable, Unamortized Purchase Premium (Discount)	6,900	7,900
Financing Receivable, before Allowance for Credit Loss	114,823	113,074	117,130
Consumer and Other Loans [Member]
Financing Receivable, before Allowance for Credit Loss	17,701	12,035	$ 11,014
Consumer and Other Loans [Member] | Demand Deposit Overdrafts [Member]
Financing Receivable, before Allowance for Credit Loss	$ 253	$ 222

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- Definition

Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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