Note 4 - Loans and Leases - Impaired Loans (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Recorded investment, with no allowance recorded	$ 1,720
Unpaid principal balance, with no allowance recorded	2,066
Recorded investment, with a related allowance recorded	5,880
Unpaid principal balance, with a related allowance recorded	6,098
Related Allowance	34
Recorded Investment	7,600
Unpaid principal balance	8,164
Residential Portfolio Segment [Member] \| Real Estate Loan [Member]
Recorded investment, with no allowance recorded	431
Unpaid principal balance, with no allowance recorded	509
Recorded investment, with a related allowance recorded	1,041
Unpaid principal balance, with a related allowance recorded	1,041
Related Allowance	17
Recorded Investment	1,472
Unpaid principal balance	1,550
Commercial Real Estate Portfolio Segment [Member] \| Real Estate Loan [Member]
Recorded investment, with no allowance recorded	1,071
Unpaid principal balance, with no allowance recorded	1,339
Recorded investment, with a related allowance recorded	4,695
Unpaid principal balance, with a related allowance recorded	4,695
Related Allowance	15
Recorded Investment	5,766
Unpaid principal balance	6,034
Construction, Land Acquisition and Development [Member] \| Real Estate Loan [Member]
Recorded investment, with no allowance recorded	0
Unpaid principal balance, with no allowance recorded	0
Recorded investment, with a related allowance recorded	0
Unpaid principal balance, with a related allowance recorded	0
Related Allowance	0
Recorded Investment	0
Unpaid principal balance	0
Commercial and Industrial [Member]
Recorded investment, with no allowance recorded	218
Unpaid principal balance, with no allowance recorded	218
Recorded investment, with a related allowance recorded	144
Unpaid principal balance, with a related allowance recorded	362
Related Allowance	2
Recorded Investment	362
Unpaid principal balance	580
Consumer Portfolio Segment [Member]
Recorded investment, with no allowance recorded	0
Unpaid principal balance, with no allowance recorded	0
Recorded investment, with a related allowance recorded	0
Unpaid principal balance, with a related allowance recorded	0
Related Allowance	0
Recorded Investment	0
Unpaid principal balance	0
State and Political Subdivisions [Member]
Recorded investment, with no allowance recorded	0
Unpaid principal balance, with no allowance recorded	0
Recorded investment, with a related allowance recorded	0
Unpaid principal balance, with a related allowance recorded	0
Related Allowance	0
Recorded Investment	0
Unpaid principal balance	$ 0

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-14A

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Publisher FASB
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