Note 7 - Revenue from Contracts with Customers - Schedule of Noninterest Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Other (outside the scope of ASC 606)	$ 1,630	$ 3,242	$ 5,205	$ 4,660
Total noninterest income	11,430	12,340	34,032	30,302
Trust Segment [Member]
Other (outside the scope of ASC 606)	0	0	0	0
Total noninterest income	3,805	3,221	10,623	9,316
Bank Segment [Member]
Other (outside the scope of ASC 606)	1,630	3,242	5,205	4,660
Total noninterest income	7,625	9,119	23,409	20,986
Deposit Account [Member]
Revenue from contract with customer	1,874	1,992	5,381	5,421
Deposit Account [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0	0	0
Deposit Account [Member] \| Bank Segment [Member]
Revenue from contract with customer	1,874	1,992	5,381	5,421
Debit Card [Member]
Revenue from contract with customer	2,068	1,993	5,951	5,320
Debit Card [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0	0	0
Debit Card [Member] \| Bank Segment [Member]
Revenue from contract with customer	2,068	1,993	5,951	5,320
Fiduciary and Trust [Member]
Revenue from contract with customer	2,745	2,544	7,982	7,398
Fiduciary and Trust [Member] \| Trust Segment [Member]
Revenue from contract with customer	2,745	2,544	7,982	7,398
Fiduciary and Trust [Member] \| Bank Segment [Member]
Revenue from contract with customer	0	0	0	0
Insurance Agency Commissions [Member]
Revenue from contract with customer	1,395	1,416	4,964	4,199
Insurance Agency Commissions [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0	0	0
Insurance Agency Commissions [Member] \| Bank Segment [Member]
Revenue from contract with customer	1,395	1,416	4,964	4,199
Retirement Plan Consulting [Member]
Revenue from contract with customer	1,060	677	2,641	1,918
Retirement Plan Consulting [Member] \| Trust Segment [Member]
Revenue from contract with customer	1,060	677	2,641	1,918
Retirement Plan Consulting [Member] \| Bank Segment [Member]
Revenue from contract with customer	0	0	0	0
Investment Commissions [Member]
Revenue from contract with customer	658	476	1,908	1,386
Investment Commissions [Member] \| Trust Segment [Member]
Revenue from contract with customer	0	0	0	0
Investment Commissions [Member] \| Bank Segment [Member]
Revenue from contract with customer	$ 658	$ 476	$ 1,908	$ 1,386

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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