Note 24 - Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Balance	$ 337,894	$ 320,258	$ 222,542
Balance	354,792	337,894	320,258
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Balance	7,920	2,902	(3,973)
Net unrealized gains (losses) on securities available for sale, net of tax	(9,593)	5,656	7,090
Reclassification adjustment for realized gains on securities, net of tax	(28)	(638)	(215)
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
Balance	(1,701)	7,920	2,902
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	(3,846)	(2,084)	(624)
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	0
Net unrealized gains (losses) on cash flow hedges, net of tax	1,634	(1,762)	(1,460)
Change in unfunded pension liability, net of tax	0	0	0
Balance	(2,212)	(3,846)	(2,084)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(1,637)	(1,301)	(1,238)
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	0
Net unrealized gains (losses) on cash flow hedges, net of tax	0	0	0
Change in unfunded pension liability, net of tax	475	(336)	(63)
Balance	(1,162)	(1,637)	(1,301)
AOCI Attributable to Parent [Member]
Balance	2,437	(483)	(5,835)
Net unrealized gains (losses) on securities available for sale, net of tax	(9,593)	5,656	7,090
Reclassification adjustment for realized gains on securities, net of tax	(28)	(638)	(215)
Net unrealized gains (losses) on cash flow hedges, net of tax	1,634	(1,762)	(1,460)
Change in unfunded pension liability, net of tax	475	(336)	(63)
Balance	$ (5,075)	$ 2,437	$ (483)