Note 24 - Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Details) (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reclassification adjustment for realized gains on securities, tax	$ 0	$ (7)	$ (176)
Change in unfunded pension liability, tax	(233)	(115)	77
AOCI Attributable to Parent [Member]
Net unrealized gains (losses) on securities available for sale, tax	(14,868)	(2,643)	1,557
Reclassification adjustment for realized gains on securities, tax		(7)	(176)
Unrealized gain (losses) on cash flow hedges, tax	866	434	(448)
Change in unfunded pension liability, tax	$ 233	$ 115	$ (77)

Amount, before adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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- Definition

Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e640-108580

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Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

+ References

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-Publisher FASB
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-Topic 810
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-Section 45
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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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