Note 7 - Revenue from Contracts with Customers - Schedule of Noninterest Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Other (outside the scope of ASC 606)	$ 1,148	$ 120
Total noninterest income	10,481	8,357
Trust Segment [Member]
Other (outside the scope of ASC 606)	0	0
Total noninterest income	3,439	3,127
Bank Segment [Member]
Other (outside the scope of ASC 606)	1,148	120
Total noninterest income	7,042	5,230
Deposit Account [Member]
Revenue from contract with customer	1,758	1,583
Deposit Account [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0
Deposit Account [Member] \| Bank Segment [Member]
Revenue from contract with customer	1,758	1,583
Debit Card [Member]
Revenue from contract with customer	1,866	1,567
Debit Card [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0
Debit Card [Member] \| Bank Segment [Member]
Revenue from contract with customer	1,866	1,567
Fiduciary and Trust [Member]
Revenue from contract with customer	2,641	2,510
Fiduciary and Trust [Member] \| Trust Segment [Member]
Revenue from contract with customer	2,641	2,510
Fiduciary and Trust [Member] \| Bank Segment [Member]
Revenue from contract with customer	0	0
Insurance Agency Commissions [Member]
Revenue from contract with customer	1,741	1,528
Insurance Agency Commissions [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0
Insurance Agency Commissions [Member] \| Bank Segment [Member]
Revenue from contract with customer	1,741	1,528
Retirement Plan Consulting [Member]
Revenue from contract with customer	798	617
Retirement Plan Consulting [Member] \| Trust Segment [Member]
Revenue from contract with customer	798	617
Retirement Plan Consulting [Member] \| Bank Segment [Member]
Revenue from contract with customer	0	0
Investment Commissions [Member]
Revenue from contract with customer	529	432
Investment Commissions [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0
Investment Commissions [Member] \| Bank Segment [Member]
Revenue from contract with customer	$ 529	$ 432

The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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Amount, excluding 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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Amount, excluding interest income, of revenue not accounted for under Topic 606.

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