Note 4 - Derivatives (Details Textual) - USD ($)	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2020
Interest Rate Lock Commitments [Member]
Derivative, Notional Amount	$ 7,252,000	$ 6,923,000
Derivative Asset, Subject to Master Netting Arrangement, before Offset	157,000	123,000
Forward Contracts [Member]
Derivative, Notional Amount	7,000,000	6,250,000
Derivative, Fair Value, Net	$ 28,000	$ 62,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Fair Value Hedging [Member]
Derivative, Notional Amount			$ 30,000,000

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483444/210-20-55-22

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
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-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483466/210-20-50-3

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-Topic 210
-SubTopic 20
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-Section 55
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-Name Accounting Standards Codification
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-SubTopic 20
-Topic 860
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481326/860-20-50-4D

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-10

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
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- Details

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- Details

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- Details

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