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Note 1 - Significant Accounting Policies - Noninterest Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Service Charges on Deposit and Sweep Accounts [Member]
Noninterest revenue	$ 2,064	$ 1,753	$ 5,871	$ 4,976
Credit and Debit Card [Member]
Noninterest revenue	2,371	2,257	6,922	6,644
Interest Rate Swap Fees [Member]
Noninterest revenue	377	389	1,687	2,494
Payroll Processing [Member]
Noninterest revenue	825	713	2,648	2,295
Customer Service [Member]
Noninterest revenue	$ 298	$ 231	$ 674	$ 611

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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