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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 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Non-accruing loans | $ 24,587 | $ 20,005
Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 9,023 | 8,486
Performing (accruing) loans, current | 643,066 | 701,689
Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 17,034 | 14,534
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 1,618 | 363
Performing (accruing) loans, current | 242,809 | 267,481
Residential Portfolio Segment [Member] |  |
Non-accruing loans | 4,464 | 3,854
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 592 | 839
Performing (accruing) loans, current | 142,891 | 149,158
Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 2,532 | 700
Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 5,216 | 4,925
Performing (accruing) loans, current | 131,218 | 138,672
Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 557 | 917
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 7 | 8
Performing (accruing) loans, current | 55,921 | 66,710
Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 9,365 | 9,420
Performing (accruing) loans, current | 15,222 | 10,585
Substandard [Member] |  |
Non-accruing loans | 24,587 | 20,005
Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,428 | 1,079
Performing (accruing) loans, current | 35,662 | 38,780
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Non-accruing loans | 17,034 | 14,534
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 351 | 363
Performing (accruing) loans, current | 7,017 | 10,999
Substandard [Member] | Residential Portfolio Segment [Member] |  |
Non-accruing loans | 4,464 | 3,854
Substandard [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current |  |
Substandard [Member] | Commercial Portfolio Segment [Member] |  |
Non-accruing loans | 2,532 | 700
Substandard [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,077 | 716
Performing (accruing) loans, current | 28,525 | 27,660
Substandard [Member] | Consumer Portfolio Segment [Member] |  |
Non-accruing loans | 557 | 917
Substandard [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due |  |
Performing (accruing) loans, current | 120 | 121
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 4,658 | 5,723
Performing (accruing) loans, current | 12,376 | 8,811
Substandard [Member] | Non-Accrual Loans [Member] | Residential Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,145 | 2,884
Performing (accruing) loans, current | 2,319 | 970
Substandard [Member] | Non-Accrual Loans [Member] | Commercial Portfolio Segment [Member] |  |
Performing (accruing) loans, past due | 2,532 | 700
Performing (accruing) loans, current | 0 |
Non-accruing loans |  | 700
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 | 30 | 113
Performing (accruing) loans, current | 527 | 804
Financial Asset, 30 to 59 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 4,544 | 1,436
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 868 | 354
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 592 | 478
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,216 | 603
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2 | 1
Financial Asset, 30 to 59 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 1,786 | 22
Financial Asset, 30 to 59 Days Past Due [Member] | Substandard [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 2,428 | 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 | 351 | 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 | 2,077 | 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 | 1,786 |
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
Financial Asset, 60 to 89 Days Past Due [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 4,479 | 7,034
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 750 |
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 | 3,000 | 4,322
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member] |  |
Performing (accruing) loans, past due | 5 |
Financial Asset, 60 to 89 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 86 | 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 | 23 | 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 | 63 | 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
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
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-Accrual Loans [Member] |  |
Performing (accruing) loans, past due | 7,493 | 9,398
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 | 4,658 | 5,723
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 | 2,122 | 2,884
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 | 683 | 700
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 | $ 30 | $ 91

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