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Note 4 - Loans (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	$ 1,300	$ 1,100
Financing Receivable, before Allowance for Credit Loss	1,466,595	969,430
Commercial and Industrial Loans [Member]
Financing Receivable, Unamortized Purchase Premium (Discount)	5,800	7,900
Financing Receivable, before Allowance for Credit Loss	141,333	113,074
Consumer and Other Loans [Member]
Financing Receivable, before Allowance for Credit Loss	21,453	12,035
Consumer and Other Loans [Member] | Demand Deposit Overdrafts [Member]
Financing Receivable, before Allowance for Credit Loss	450	222
Loans Acquired Through Business Combinations [Member]
Financing Receivable, Unamortized Purchase Premium (Discount)	$ (14,300)	$ (1,900)

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- Definition

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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