Note 5 - Loans and the Allowance for Credit Losses - Loans Receivable on Nonaccrual Status (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Nonaccrual loans with ACL	$ 5,899	$ 10,809
Commercial	51,411	41,715
Total Nonaccrual loans	57,310	52,524
Commercial Portfolio Segment [Member]
Nonaccrual loans with ACL	1,744	1,763
Commercial	14,487	11,064
Total Nonaccrual loans	16,231	12,827
Commercial Real Estate Portfolio Segment [Member]
Nonaccrual loans with ACL	3,822	8,013
Commercial	32,664	28,179
Total Nonaccrual loans	36,486	36,192
Commercial Construction Portfolio Segment [Member]
Nonaccrual loans with ACL	0
Commercial	2,204
Total Nonaccrual loans	2,204	0
Residential Portfolio Segment [Member]
Nonaccrual loans with ACL	333	1,033
Commercial	2,056	2,472
Total Nonaccrual loans	$ 2,389	$ 3,505