Note 7 - Revenue From Contracts With Customers - Schedule of Noninterest Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Other (outside the scope of ASC 606)	$ 3,229	$ 1,148
Total noninterest income	13,688	10,481
Trust Segment [Member]
Other (outside the scope of ASC 606)	0	0
Total noninterest income	3,916	3,439
Bank Segment [Member]
Other (outside the scope of ASC 606)	3,229	1,148
Total noninterest income	9,772	7,042
Deposit Account [Member]
Revenue from contract with customer	1,966	1,758
Deposit Account [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0
Deposit Account [Member] \| Bank Segment [Member]
Revenue from contract with customer	1,966	1,758
Debit Card [Member]
Revenue from contract with customer	2,023	1,866
Debit Card [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0
Debit Card [Member] \| Bank Segment [Member]
Revenue from contract with customer	2,023	1,866
Fiduciary and Trust [Member]
Revenue from contract with customer	3,030	2,641
Fiduciary and Trust [Member] \| Trust Segment [Member]
Revenue from contract with customer	3,030	2,641
Fiduciary and Trust [Member] \| Bank Segment [Member]
Revenue from contract with customer	0	0
Insurance Agency Commissions [Member]
Revenue from contract with customer	1,683	1,741
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	1,683	1,741
Retirement Plan Consulting [Member]
Revenue from contract with customer	886	798
Retirement Plan Consulting [Member] \| Trust Segment [Member]
Revenue from contract with customer	886	798
Retirement Plan Consulting [Member] \| Bank Segment [Member]
Revenue from contract with customer	0	0
Investment Commissions [Member]
Revenue from contract with customer	871	529
Investment Commissions [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0
Investment Commissions [Member] \| Bank Segment [Member]
Revenue from contract with customer	$ 871	$ 529

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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