Note 18 - Fair Value Measurements (Details Textual)	6 Months Ended	12 Months Ended
Jun. 30, 2022 USD ($) $ / item	Dec. 31, 2021 USD ($)
Write Down on Other Real Estate Owned	$ 0	$ 0
Fair Value, Recurring [Member]
Assets, Fair Value Disclosure, Total	358,206,000	368,525,000
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure, Total	71,000	265,000
Measurement Input, Margin Cost Rate [Member] \| Fair Value, Recurring [Member] \| Interest Rate Lock Contracts and Forward Mortgage Loan Sale Contracts [Member] \| Fair Value, Inputs, Level 3 [Member]
Derivative Asset, Total	71,000	265,000
Unrealized Gain (Loss) on Derivatives	$ (194,000)
Minimum [Member] \| Interest Rate Lock Contracts and Forward Mortgage Loan Sale Contracts [Member]
Derivative, Buy Price (in USD per Per Share) \| $ / item	97
Derivative, Sale Price (in USD per Per Share) \| $ / item	100
Minimum [Member] \| Measurement Input, Margin Cost Rate [Member] \| Fair Value, Recurring [Member] \| Interest Rate Lock Contracts and Forward Mortgage Loan Sale Contracts [Member] \| Fair Value, Inputs, Level 3 [Member]
Derivative Asset, Measurement Input	1.50
Maximum [Member] \| Interest Rate Lock Contracts and Forward Mortgage Loan Sale Contracts [Member]
Derivative, Buy Price (in USD per Per Share) \| $ / item	100
Derivative, Sale Price (in USD per Per Share) \| $ / item	105
Other Real Estate Owned [Member] \| Minimum [Member] \| Measurement Input, Comparability Adjustment [Member]
Alternative Investment, Measurement Input	0.05
Other Real Estate Owned [Member] \| Maximum [Member] \| Measurement Input, Comparability Adjustment [Member]
Alternative Investment, Measurement Input	0.06
Other Real Estate Owned [Member] \| Single-Family Residences [Member]
Assets, Fair Value Disclosure, Total		$ 293,000

The buy price on derivative.

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- Definition

The sale price of derivative.

+ References

No definition available.

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- Definition

Represents write down on other real estate owned.

+ References

No definition available.

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- Definition

Value of input used to measure alternative investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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Value of input used to measure derivative asset.

+ References

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- 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
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

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-Publisher FASB
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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

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