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Note 5 - Loans Receivable - Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
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Financing receivables on nonaccrual status | $ 6,938 | $ 6,507
Residential Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 4,498 | 4,374
Home Equity Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 470 | 473
Commercial Real Estate Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 472 | 658
Construction and Land Development Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Multifamily Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 410 | 420
Farmland Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Commercial Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status | 1,088 | 582
Consumer Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Manufactured Homes Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |
Government Portfolio Segment [Member] |  |
Financing receivables on nonaccrual status |  |

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