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Note 5 - Credit Quality - Loans Modified as Troubled Debt Restructurings (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($)
Total contracts |  | 0 | 1 | 12 | 5
Pre-modification recorded investment |  | $ 0 | $ 33 | $ 5,207 | $ 742
Post-modification recorded investment | [1] | $ 0 | $ 29 | $ 5,191 | $ 727
Below Market Interest Rate [Member] |  |  |  |  |
Total contracts |  |  |  | 1 |
Pre-modification recorded investment |  |  |  | $ 50 |
Post-modification recorded investment | [1] |  |  | $ 50 |
Below Market Interest Rate [Member] | Single Family Owner Occupied [Member] |  |  |  |  |
Total contracts |  |  | 0 | 1 |
Pre-modification recorded investment |  |  | $ 0 | $ 50 |
Post-modification recorded investment | [1] |  | $ 0 | $ 50 |
Below Market Interest Rate and Extended Payment Term [Member] |  |  |  |  |
Total contracts |  |  | 0 |  | 4
Pre-modification recorded investment |  |  | $ 0 |  | $ 709
Post-modification recorded investment | [1] |  | $ 0 |  | $ 698
Below Market Interest Rate and Extended Payment Term [Member] | Single Family Owner Occupied [Member] |  |  |  |  |
Total contracts |  | 0 |  | 1 | 2
Pre-modification recorded investment |  | $ 0 |  | $ 529 | $ 221
Post-modification recorded investment | [1] | $ 0 |  | $ 529 | $ 218
Below Market Interest Rate and Extended Payment Term [Member] | Single Family Non-owner Occupied [Member] |  |  |  |  |
Total contracts |  |  | 0 |  | 2
Pre-modification recorded investment |  |  | $ 0 |  | $ 488
Post-modification recorded investment | [1] |  | $ 0 |  | $ 480
Payment Deferral [Member] |  |  |  |  |
Total contracts |  | 0 |  | 11 | 1
Pre-modification recorded investment |  | $ 0 |  | $ 5,157 | $ 33
Post-modification recorded investment | [1] | $ 0 |  | $ 5,141 | $ 29
Payment Deferral [Member] | Single Family Non-owner Occupied [Member] |  |  |  |  |
Total contracts |  |  |  | 3 | 1
Pre-modification recorded investment |  |  |  | $ 742 | $ 33
Post-modification recorded investment | [1] |  |  | $ 726 | $ 29
Payment Deferral [Member] | Commercial and Industrial [Member] |  |  |  |  |
Total contracts |  | 0 |  | 3 |
Pre-modification recorded investment |  | $ 0 |  | $ 1,708 |
Post-modification recorded investment | [1] | $ 0 |  | $ 1,708 |
Payment Deferral [Member] | Non-farm, Non-residential [Member] |  |  |  |  |
Total contracts |  | 0 |  | 3 |
Pre-modification recorded investment |  | $ 0 |  | $ 2,115 |
Post-modification recorded investment | [1] | $ 0 |  | $ 2,115 |
Payment Deferral [Member] | Construction, Development and Other Land [Member] |  |  |  |  |
Total contracts |  |  |  | 1 |
Pre-modification recorded investment |  |  |  | $ 63 |
Post-modification recorded investment | [1] |  |  | $ 63 |
Payment Deferral [Member] | Home Equity Lines [Member] |  |  |  |  |
Total contracts |  |  |  |  | 0
Pre-modification recorded investment |  |  |  |  | $ 0
Post-modification recorded investment | [1] |  |  |  | $ 0
[1] | Represents the loan balance immediately following modification

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