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Note 21 - Commitments and Contingent Liabilities (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 07, 2022	Dec. 31, 2021	Jan. 01, 2020	Dec. 31, 2019
Off-Balance Sheet, Credit Loss, Liability, Ending Balance				$ 3,850,000	$ 350,000
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	$ 575,000
Standby Letters of Credit [Member] | Minimum [Member]
Guarantee Obligations, Agreement Term (Month)	1 month
Standby Letters of Credit [Member] | Maximum [Member]
Guarantee Obligations, Agreement Term (Month)	2 months
Performance Guarantee [Member]
Guarantee Obligation, Estimated Payment Under Default on Contract	$ 3,000,000
Commonwealth [Member]
Off-Balance Sheet, Credit Loss, Liability, Ending Balance		$ 500,000
Other Liabilities [Member]
Off-Balance Sheet, Credit Loss, Liability, Ending Balance	$ 4,500,000		$ 3,500,000

X

- Definition

Represents the amount that the entity would have been required to pay, if an event of default on all contracts had occurred.

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Represents the term of agreements entered into by the entity for undertaking guarantee obligation.

+ References

No definition available.

+ Details

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X

- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82919202-210446

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Period Type:	instant

X

- Definition

Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Details

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- Details

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