Note 8 - Derivatives - Schedule of Derivative Instruments (Details) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended	12 Months Ended
Apr. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Interest Rate Swap One [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Asset, Notional Amount		$ 4,894	$ 4,911
Derivative, Maturity (Year)		7 years 9 months 18 days	8 years 3 months 18 days
Derivative, Fixed Rate		5.25%	5.25%
Derivative, Variable Rate		1.96%	1.96%
Derivative Liability, Notional Amount		$ 4,894	$ 4,911
Interest Rate Swap One [Member] \| Not Designated as Hedging Instrument [Member] \| Other Assets [Member]
Derivative Asset, Fair Value		763	997
Interest Rate Swap One [Member] \| Not Designated as Hedging Instrument [Member] \| Other Liabilities [Member]
Derivative Liability, Fair Value		(763)	(997)
Interest Rate Swap Two [Member] \| Not Designated as Hedging Instrument [Member]
Derivative Asset, Notional Amount		$ 1,414	$ 1,431
Derivative, Maturity (Year)		8 years	8 years 6 months
Derivative, Fixed Rate		4.38%	4.38%
Derivative, Variable Rate		2.00%	2.00%
Derivative Liability, Notional Amount		$ 1,414	$ 1,431
Interest Rate Swap Two [Member] \| Not Designated as Hedging Instrument [Member] \| Other Assets [Member]
Derivative Asset, Fair Value		130	190
Interest Rate Swap Two [Member] \| Not Designated as Hedging Instrument [Member] \| Other Liabilities [Member]
Derivative Liability, Fair Value		(130)	$ (190)
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Derivative Asset, Notional Amount		$ 50,000
Derivative, Maturity (Year)	7 years	6 years 9 months 18 days
Derivative, Fixed Rate		1.10%
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Other Assets [Member]
Derivative Asset, Fair Value		$ 168

Nominal or face amount used to calculate payments on the derivative asset.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or 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 liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Balance Type:	na
Period Type:	instant

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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