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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 | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Non-accruing loans | $ 16,450 | $ 18,049
Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 6,975 | 4,441
Performing (accruing) loans, current | 795,416 | 789,674
Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 10,444 | 11,961
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 5,112 |
Performing (accruing) loans, current | 288,936 | 302,453
Residential Portfolio Segment [Member] |  |
Non-accruing loans | 3,200 | 3,228
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 201 | 658
Performing (accruing) loans, current | 168,394 | 171,603
Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 2,086 | 2,094
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,359 | 956
Performing (accruing) loans, current | 176,012 | 170,825
Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 720 | 766
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 303 | 2,827
Performing (accruing) loans, current | 95,597 | 82,341
Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 15,377 | 5,381
Performing (accruing) loans, current | 1,073 | 12,668
Substandard [Member] |  |
Non-accruing loans | 16,450 |
Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 397 |
Performing (accruing) loans, current | 20,316 |
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 10,444 | 11,961
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 5,241 | 6,086
Substandard [Member] | Residential Portfolio Segment [Member] |  |
Non-accruing loans | 3,200 | 3,228
Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 977 | 1,700
Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 2,086 | 2,094
Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 397 |
Performing (accruing) loans, current | 14,098 | 7,942
Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 720 | 766
Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current |  |
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 10,444 | 1,636
Performing (accruing) loans, current |  | 10,325
Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,656 | 1,872
Performing (accruing) loans, current | 544 | 1,356
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,086 | 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 | 191 | 149
Performing (accruing) loans, current | 529 | 617
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 6,975 | 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 | 5,112 |
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 201 | 658
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,359 | 606
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 303 | 2,805
Financial Asset, 30 to 59 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 9,733 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 397 |
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 |  |
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 | 397 |
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 | 8,811 |
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 843 |
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 | 79 |
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  | 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 |  | 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 | 370 |
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 | 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 | 370 |
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 |  | 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 |  |
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 | 5,274 | 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 | 1,633 | 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 | 1,813 | 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 | 1,716 | 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 | $ 112 | $ 149

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