Note 5 - Loans and Leases - Impaired Loans (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)
Unpaid principal balance	$ 4,602
Recorded investment with allowance	1,676
Recorded investment with no allowance	2,192
Total recorded investment	3,868
Related allowance	161
Average recorded investment	5,382
Interest income recognized	99
Cash basis interest income recognized	0
Commercial Portfolio Segment [Member]
Unpaid principal balance	942
Recorded investment with allowance	139
Recorded investment with no allowance	580
Total recorded investment	719
Related allowance	48
Average recorded investment	272
Interest income recognized	0
Cash basis interest income recognized	0
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Unpaid principal balance	762
Recorded investment with allowance	215
Recorded investment with no allowance	547
Total recorded investment	762
Related allowance	42
Average recorded investment	2,302
Interest income recognized	46
Cash basis interest income recognized	0
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied [Member]
Unpaid principal balance	2,347
Recorded investment with allowance	1,304
Recorded investment with no allowance	716
Total recorded investment	2,020
Related allowance	70
Average recorded investment	2,001
Interest income recognized	27
Cash basis interest income recognized	0
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Average recorded investment	0
Interest income recognized	0
Cash basis interest income recognized	0
Consumer Portfolio Segment [Member] \| Home Equity Loan [Member]
Unpaid principal balance	33
Recorded investment with allowance	0
Recorded investment with no allowance	0
Total recorded investment	0
Related allowance	0
Average recorded investment	16
Interest income recognized	0
Cash basis interest income recognized	0
Consumer Portfolio Segment [Member] \| Home Equity Line of Credit [Member]
Unpaid principal balance	255
Recorded investment with allowance	0
Recorded investment with no allowance	211
Total recorded investment	211
Related allowance	0
Average recorded investment	157
Interest income recognized	0
Cash basis interest income recognized	0
Consumer Portfolio Segment [Member] \| Automobile Loan [Member]
Unpaid principal balance	213
Recorded investment with allowance	18
Recorded investment with no allowance	135
Total recorded investment	153
Related allowance	1
Average recorded investment	70
Interest income recognized	1
Cash basis interest income recognized	0
Consumer Portfolio Segment [Member] \| Direct Financing Lease [Member]
Average recorded investment	0
Interest income recognized	0
Cash basis interest income recognized	0
Consumer Portfolio Segment [Member] \| Other Loan [Member]
Average recorded investment	0
Interest income recognized	0
Cash basis interest income recognized	0
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Average recorded investment	0
Interest income recognized	0
Cash basis interest income recognized	0
Residential Portfolio Segment [Member] \| Real Estate Loan [Member]
Unpaid principal balance	50
Recorded investment with allowance	0
Recorded investment with no allowance	3
Total recorded investment	3
Related allowance	0
Average recorded investment	564
Interest income recognized	25
Cash basis interest income recognized	$ 0

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

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-Name Accounting Standards Codification
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