Note 24 - Accumulated Other Comprehensive Loss - Changes in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 321,174	$ 354,792	$ 337,894
Balance	343,168	321,174	354,792
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(55,710)	(1,701)	7,920
Net unrealized gains (losses) on securities available for sale, net of tax	11,541	(54,009)	(9,593)
Reclassification adjustment for realized losses on securities, net of tax	54		(28)
Net unrealized gains (losses) on cash flow hedges, net of tax	0	0	0
Change in unfunded pension liability, net of tax	0	0	0
Net unrealized gains (losses) on cash flow hedges, net of tax	0	0	0
Balance	(44,115)	(55,710)	(1,701)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	1,047	(2,212)	(3,846)
Net unrealized gains (losses) on securities available for sale, net of tax	0	0	0
Reclassification adjustment for realized losses on securities, net of tax	0		0
Net unrealized gains (losses) on cash flow hedges, net of tax	408	3,259	1,634
Change in unfunded pension liability, net of tax	0	0	0
Net unrealized gains (losses) on cash flow hedges, net of tax	408	3,259	1,634
Balance	1,455	1,047	(2,212)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(313)	(1,162)	(1,637)
Net unrealized gains (losses) on securities available for sale, net of tax	0	0	0
Reclassification adjustment for realized losses on securities, net of tax	0		0
Net unrealized gains (losses) on cash flow hedges, net of tax	0	0	0
Change in unfunded pension liability, net of tax	(91)	849	475
Net unrealized gains (losses) on cash flow hedges, net of tax	0	0	0
Balance	(404)	(313)	(1,162)
AOCI Attributable to Parent [Member]
Balance	(54,976)	(5,075)	2,437
Net unrealized gains (losses) on securities available for sale, net of tax	11,541	(54,009)	(9,593)
Reclassification adjustment for realized losses on securities, net of tax	54		(28)
Net unrealized gains (losses) on cash flow hedges, net of tax	408	3,259	1,634
Change in unfunded pension liability, net of tax	(91)	849	475
Net unrealized gains (losses) on cash flow hedges, net of tax	408	3,259	1,634
Balance	$ (43,064)	$ (54,976)	$ (5,075)