Note 5 - Loans and the Allowance for Credit Losses - Loans Receivable on Nonaccrual Status (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Nonaccrual loans with ACL	$ 2,574	$ 10,809
Commercial	43,452	41,715
Total Nonaccrual loans	46,026	52,524
Commercial Portfolio Segment [Member]
Nonaccrual loans with ACL	1,928	1,763
Commercial	10,850	11,064
Total Nonaccrual loans	12,778	12,827
Commercial Real Estate Portfolio Segment [Member]
Nonaccrual loans with ACL	0	8,013
Commercial	29,585	28,179
Total Nonaccrual loans	29,585	36,192
Commercial Construction Portfolio Segment [Member]
Nonaccrual loans with ACL	409
Commercial	1,795
Total Nonaccrual loans	2,204	0
Residential Portfolio Segment [Member]
Nonaccrual loans with ACL	237	1,033
Commercial	1,222	2,472
Total Nonaccrual loans	$ 1,459	$ 3,505