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Note 4 - Loan Receivables and Allowance for Loan and Lease Losses - Non-accrual Loans (Details) - Business Activities Loans [Member] - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Non-accruing loans | $ 20,005 | $ 18,049
Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 8,486 | 4,441
Performing (accruing) loans, current | 701,689 | 789,674
Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 14,534 | 11,961
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 363 |
Performing (accruing) loans, current | 267,481 | 302,453
Residential Portfolio Segment [Member] |  |
Non-accruing loans | 3,854 | 3,228
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 839 | 658
Performing (accruing) loans, current | 149,158 | 171,603
Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 700 | 2,094
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 4,925 | 956
Performing (accruing) loans, current | 138,672 | 170,825
Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 917 | 766
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 8 | 2,827
Performing (accruing) loans, current | 66,710 | 82,341
Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 9,420 | 5,381
Performing (accruing) loans, current | 10,585 | 12,668
Substandard [Member] |  |
Non-accruing loans | 20,005 |
Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,079 |
Performing (accruing) loans, current | 38,780 |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 14,534 | 11,961
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 363 |
Performing (accruing) loans, current | 10,999 | 6,086
Substandard [Member] | Residential Portfolio Segment [Member] |  |
Non-accruing loans | 3,854 | 3,228
Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current |  | 1,700
Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 700 | 2,094
Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 716 |
Performing (accruing) loans, current | 27,660 | 7,942
Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 917 | 766
Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 121 |
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 5,723 | 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 | 2,884 | 1,872
Performing (accruing) loans, current | 970 | 1,356
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 700 | 1,724
Performing (accruing) loans, current | 0 | 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 |  | 0
Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 113 | 149
Performing (accruing) loans, current | 804 | 617
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,436 | 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 | 354 |
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 478 | 658
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 603 | 606
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1 | 2,805
Financial Asset, 30 to 59 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 22 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 957 |
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 | 354 |
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 | 603 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
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 | 0 | 0
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 0 | 0
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 | 22 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 7,034 | 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 | 361 |
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 4,322 | 350
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  | 3
Financial Asset, 60 to 89 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 113 |
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 | 113 |
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 | 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 | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financial Asset, 60 to 89 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Consumer Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 16 | 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 | 9 |
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 |  |
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 | 7 | 19
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 9,398 | 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 | 9 |
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 | 9 |
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 | 5,723 | 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 | 2,884 | 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 | 700 | 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 | $ 91 | $ 149

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