Note 21 - Accumulated Other Comprehensive (Loss) Income - Other Comprehensive (loss) Income by Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 354,530	$ 327,473	$ 281,580
Balance	440,208	354,530	327,473
Accumulated Pension Plan Adjustment Net Unamortized Gain (Loss) [Member]
Balance	(23)	30	(199)
Other comprehensive income (loss) before reclassification, net of tax	42	(53)	229
Amounts reclassified from accumulated other comprehensive loss, net of tax	0	0	0
Net current period other comprehensive income (loss)	42	(53)	229
Balance	19	(23)	30
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Balance	172	9	(40)
Other comprehensive income (loss) before reclassification, net of tax	(25)	163	49
Amounts reclassified from accumulated other comprehensive loss, net of tax	0	0	0
Net current period other comprehensive income (loss)	(25)	163	49
Balance	147	172	9
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	20,867	3,993	(1,132)
Other comprehensive income (loss) before reclassification, net of tax	(5,047)	16,874	5,125
Amounts reclassified from accumulated other comprehensive loss, net of tax	0	0	0
Net current period other comprehensive income (loss)	(5,047)	16,874	5,125
Balance	15,820	20,867	3,993
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(37,901)	1,868	6,816
Other comprehensive income (loss) before reclassification, net of tax	8,488	(40,307)	(4,625)
Amounts reclassified from accumulated other comprehensive loss, net of tax	202	538	(323)
Net current period other comprehensive income (loss)	8,690	(39,769)	(4,948)
Balance	(29,211)	(37,901)	1,868
AOCI Accumulated Gain (Loss) Securities Fair Value Hedge Parent [Member]
Balance	5,406	(418)	0
Other comprehensive income (loss) before reclassification, net of tax	334	5,824	(418)
Amounts reclassified from accumulated other comprehensive loss, net of tax	0	0	0
Net current period other comprehensive income (loss)	334	5,824	(418)
Balance	5,740	5,406	(418)
AOCI Attributable to Parent [Member]
Balance	(11,479)	5,482	5,445
Other comprehensive income (loss) before reclassification, net of tax	3,792	(17,499)	360
Amounts reclassified from accumulated other comprehensive loss, net of tax	202	538	(323)
Net current period other comprehensive income (loss)	3,994	(16,961)	37
Balance	$ (7,485)	$ (11,479)	$ 5,482