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Note 8 - Goodwill and Other Intangible Assets - Components of Other Intangible Assets, by Reporting Unit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Acquisitions	$ 12,700	$ 0		$ 0
Accumulated amortization	(10,229)
Other intangible assets	15,145	4,176	[1]
Community Banking [Member]
Accumulated amortization		(8,498)		(7,052)
Other intangible assets		4,176		5,622
Core Deposits [Member]
Finite-lived intangible assets, gross	$ 12,674
Core Deposits [Member] | Community Banking [Member]
Finite-lived intangible assets, gross		$ 12,674		$ 12,674
[1] Derived from audited financial statements

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 928
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

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-Topic 350
-SubTopic 30
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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