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Note 3 - Loans (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)	$ 903,000	$ 838,000
Financing Receivable, before Allowance for Credit Loss	930,194,000	920,523,000	$ 880,089,000
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium)	2,100
Consumer and Other Loans [Member]
Financing Receivable, before Allowance for Credit Loss	8,538,000	7,581,000	$ 8,303,000
Consumer and Other Loans [Member] | Demand Deposit Overdrafts [Member]
Financing Receivable, before Allowance for Credit Loss	$ 251,000	$ 197,000

X

- Definition

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

+ References

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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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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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