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Note 4 - Loans Receivable and Allowance for Loan and Lease Losses - Non-accrual Loans (Details) - Business Activities Loans [Member] - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Non-accruing loans | $ 20,440 | $ 18,049
Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 6,325 | 4,441
Performing (accruing) loans, current | 724,533 | 789,674
Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 14,447 | 11,961
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,333 |
Performing (accruing) loans, current | 275,287 | 302,453
Residential Portfolio Segment [Member] |  |
Non-accruing loans | 3,292 | 3,228
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,962 | 658
Performing (accruing) loans, current | 156,722 | 171,603
Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 1,706 | 2,094
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 902 | 956
Performing (accruing) loans, current | 144,640 | 170,825
Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 995 | 766
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 128 | 2,827
Performing (accruing) loans, current | 72,004 | 82,341
Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 9,031 | 5,381
Performing (accruing) loans, current | 11,409 | 12,668
Substandard [Member] |  |
Non-accruing loans | 20,440 |
Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,229 |
Performing (accruing) loans, current | 35,934 |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 14,447 | 11,961
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,430 |
Performing (accruing) loans, current | 10,693 | 6,086
Substandard [Member] | Residential Portfolio Segment [Member] |  |
Non-accruing loans | 3,292 | 3,228
Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 250 | 1,700
Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 1,706 | 2,094
Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 702 |
Performing (accruing) loans, current | 24,967 | 7,942
Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 995 | 766
Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 97 |
Performing (accruing) loans, current | 24 |
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 5,636 | 1,636
Performing (accruing) loans, current | 8,811 | 10,325
Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1,585 | 1,872
Performing (accruing) loans, current | 1,707 | 1,356
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1,706 | 1,724
Performing (accruing) loans, current |  | 370
Non-accruing loans |  | 2,094
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 104 | 149
Performing (accruing) loans, current | 891 | 617
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 5,445 | 4,069
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,333 |
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,283 | 658
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 702 | 606
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 127 | 2,805
Financial Asset, 30 to 59 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,229 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,430 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 702 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 97 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 0 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 201 | 353
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 200 | 350
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1 | 3
Financial Asset, 60 to 89 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 679 | 19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 679 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  | 19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 9,031 | 5,381
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 5,636 | 1,636
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1,585 | 1,872
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 1,706 | 1,724
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | $ 104 | $ 149

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