Note 18 - Change in Accumulated Other Comprehensive Income ("AOCI") - Change in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
BALANCE	$ 186,383
Other comprehensive (loss) income, net of tax	(5,154)	$ 6,981
BALANCE	190,961	186,383
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
BALANCE	5,442	(1,539)
Other comprehensive income before reclassification	(1,398)	9,467
Amounts reclassified from accumulated other comprehensive income	(1,904)	(2,486)
Other comprehensive (loss) income, net of tax	(3,302)	6,981
Other comprehensive loss before reclassification	(1,398)	9,467
BALANCE	2,140	5,442
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
BALANCE	0	0
Other comprehensive income before reclassification	(1,852)	0
Amounts reclassified from accumulated other comprehensive income	0	0
Other comprehensive (loss) income, net of tax	(1,852)	0
Other comprehensive loss before reclassification	(1,852)	0
BALANCE	(1,852)	0
AOCI Attributable to Parent [Member]
BALANCE	5,442	(1,539)
Other comprehensive income before reclassification	(3,250)	9,467
Amounts reclassified from accumulated other comprehensive income	(1,904)	(2,486)
Other comprehensive (loss) income, net of tax	(5,154)	6,981
Other comprehensive loss before reclassification	(3,250)	9,467
BALANCE	$ 288	$ 5,442