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Note 4 - Loans - Schedule of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Loans	$ 3,240,938	$ 3,258,121
Net deferred loan costs	10,453	10,225
Allowance for credit losses	(35,549)	(35,863)	$ (33,159)	$ (34,440)
Net loans	3,215,842	3,232,483
Commercial Real Estate Portfolio Segment [Member]
Allowance for credit losses	(19,480)	(19,259)	(17,481)	(18,150)
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Loans	389,505	391,302
Commercial Real Estate Portfolio Segment [Member] | Nonowner Occupied [Member]
Loans	695,511	695,699
Commercial Real Estate Portfolio Segment [Member] | Farmland [Member]
Loans	214,204	206,786
Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member]
Loans	285,645	295,713
Commercial Portfolio Segment [Member]
Allowance for credit losses	(4,383)	(4,628)	(4,543)	(5,087)
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Loans	336,600	349,966
Commercial Portfolio Segment [Member] | Agricultural [Member]
Loans	53,533	55,606
Residential Portfolio Segment [Member]
Allowance for credit losses	(7,065)	(7,271)	(6,840)	(6,916)
Residential Portfolio Segment [Member] | 1-4 Family Residential [Member]
Loans	846,639	845,081
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Loans	161,991	158,014
Consumer Portfolio Segment [Member]
Allowance for credit losses	(4,621)	(4,705)	$ (4,295)	$ (4,287)
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans	7,951	7,989
Consumer Portfolio Segment [Member] | Indirect Loans [Member]
Loans	230,878	232,822
Consumer Portfolio Segment [Member] | Direct Loans [Member]
Loans	$ 18,481	$ 19,143

X

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

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