Note 24 - Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Balance	$ 354,792	$ 337,894	$ 320,258
Balance	321,174	354,792	337,894
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(1,701)	7,920	2,902
Net unrealized gains (losses) on securities available for sale, net of tax	(54,009)	(9,593)	5,656
Reclassification adjustment for realized gains on securities, net of tax		(28)	(638)
Net unrealized gains (losses) on cash flow hedges, net of tax		0	0
Change in unfunded pension liability, net of tax	0	0	0
Net unrealized gains on cash flow hedges, net of tax	0
Balance	(55,710)	(1,701)	7,920
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	(2,212)	(3,846)	(2,084)
Net unrealized gains (losses) on securities available for sale, net of tax	0	0	0
Reclassification adjustment for realized gains on securities, net of tax		0	0
Net unrealized gains (losses) on cash flow hedges, net of tax		1,634	(1,762)
Change in unfunded pension liability, net of tax	0	0	0
Net unrealized gains on cash flow hedges, net of tax	3,259
Balance	1,047	(2,212)	(3,846)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(1,162)	(1,637)	(1,301)
Net unrealized gains (losses) on securities available for sale, net of tax	0	0	0
Reclassification adjustment for realized gains on securities, net of tax		0	0
Net unrealized gains (losses) on cash flow hedges, net of tax		0	0
Change in unfunded pension liability, net of tax	849	475	(336)
Net unrealized gains on cash flow hedges, net of tax	0
Balance	(313)	(1,162)	(1,637)
AOCI Attributable to Parent [Member]
Balance	(5,075)	2,437	(483)
Net unrealized gains (losses) on securities available for sale, net of tax	(54,009)	(9,593)	5,656
Reclassification adjustment for realized gains on securities, net of tax		(28)	(638)
Net unrealized gains (losses) on cash flow hedges, net of tax		1,634	(1,762)
Change in unfunded pension liability, net of tax	849	475	(336)
Net unrealized gains on cash flow hedges, net of tax	3,259
Balance	$ (54,976)	$ (5,075)	$ 2,437