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Note 7 - Loans Receivable and Credit Disclosures (Details Textual) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Loans and Leases Receivable, Gross		$ 1,190,768		$ 1,190,768		$ 1,160,667
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans		224	$ 154	535	$ 523
Financing Receivable, Nonaccrual		15,200		15,200		12,700
Financing Receivable, Troubled Debt Restructuring		$ 10,800		$ 10,800		11,300
Financing Receivable, Modifications, Number of Contracts		0	1	0	5
Number Of Restructured Loans Granting Concessions			1		4
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts				0
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down		$ 0	$ 0	$ 0	$ 262
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Gross	[1]	$ 73,554		$ 73,554		75,482
Financing Receivable, Modifications, Number of Contracts		0	1	0	2
SBA CARES Act Paycheck Protection Program Member | Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Gross		$ 200		$ 200		$ 6,000
[1] Commercial loan portfolio includes $0.3 million and $6.0 million of Paycheck Protection Program ("PPP") loans as of March 31, 2022 and December 31, 2021, respectively.

X

- Definition

The number of restructured loans granting concessions to borrowers experiencing financial difficulties.

+ References

No definition available.

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount of financing receivable modified as troubled debt restructuring.

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-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 7
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-Publisher FASB
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-Topic 326
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
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-Subparagraph (3)

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-Name Regulation S-K (SK)
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

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