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Note 5 - Loans Receivable - Individually Evaluated Impaired Loans (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Impaired Financing Receivable, Related Allowance | $ 1,300,000 |  | $ 166,000
Total, recorded investment | 12,300,000 |  | 7,200,000
Total, related allowance | 1,300,000 |  | 166,000
Residential Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 1,923,000 |  | 2,140,000
With no related allowance recorded, unpaid principal balance | 3,260,000 |  | 3,555,000
With no related allowance recorded, average recorded investment | 2,061,000 | $ 1,915,000 |
With no related allowance recorded, interest income recognized | 81,000 | 55,000 |
With an allowance recorded, recorded investment | 280,000 |  | 83,000
With an allowance recorded, unpaid principal balance | 324,000 |  | 83,000
Impaired Financing Receivable, Related Allowance | 186,000 |  | 10,000
With an allowance recorded, average recorded investment | 151,000 | 158,000 |
With an allowance recorded, interest income recognized | 4,000 | 3,000 |
Total, recorded investment | 2,203,000 |  | 2,223,000
Total, unpaid principal balance | 3,584,000 |  | 3,638,000
Total, average recorded investment | 2,212,000 | 2,073,000 |
Total, interest income recognized | 85,000 | 58,000 |
Total, related allowance | 186,000 |  | 10,000
Home Equity Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 360,000 |  | 429,000
With no related allowance recorded, unpaid principal balance | 372,000 |  | 451,000
With no related allowance recorded, average recorded investment | 378,000 | 368,000 |
With no related allowance recorded, interest income recognized | 13,000 | 6,000 |
With an allowance recorded, recorded investment | 1,000 |  | 8,000
With an allowance recorded, unpaid principal balance | 9,000 |  | 8,000
Impaired Financing Receivable, Related Allowance | 1,000 |  | 4,000
With an allowance recorded, average recorded investment | 4,000 | 60,000 |
With an allowance recorded, interest income recognized | 0 | 1,000 |
Total, recorded investment | 361,000 |  | 437,000
Total, unpaid principal balance | 381,000 |  | 459,000
Total, average recorded investment | 382,000 | 428,000 |
Total, interest income recognized | 13,000 | 7,000 |
Total, related allowance | 1,000 |  | 4,000
Commercial Real Estate Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 1,214,000 |  | 1,547,000
With no related allowance recorded, unpaid principal balance | 1,797,000 |  | 2,141,000
With no related allowance recorded, average recorded investment | 1,338,000 | 1,586,000 |
With no related allowance recorded, interest income recognized | 65,000 | 41,000 |
With an allowance recorded, recorded investment | 5,180,000 |  | 18,000
With an allowance recorded, unpaid principal balance | 5,180,000 |  | 18,000
Impaired Financing Receivable, Related Allowance | 683,000 |  | 0
With an allowance recorded, average recorded investment | 1,346,000 | 473,000 |
With an allowance recorded, interest income recognized | 0 | 0 |
Total, recorded investment | 6,394,000 |  | 1,565,000
Total, unpaid principal balance | 6,977,000 |  | 2,159,000
Total, average recorded investment | 2,684,000 | 2,059,000 |
Total, interest income recognized | 65,000 | 41,000 |
Total, related allowance | 683,000 |  | 0
Construction and Land Development Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 0 |  | 0
With no related allowance recorded, unpaid principal balance | 0 |  | 0
With no related allowance recorded, average recorded investment | 0 | 0 |
With no related allowance recorded, interest income recognized | 0 | 0 |
With an allowance recorded, recorded investment | 0 |  | 0
With an allowance recorded, unpaid principal balance | 0 |  | 0
Impaired Financing Receivable, Related Allowance | 0 |  | 0
With an allowance recorded, average recorded investment | 0 | 0 |
With an allowance recorded, interest income recognized | 0 | 0 |
Total, recorded investment | 0 |  | 0
Total, unpaid principal balance | 0 |  | 0
Total, average recorded investment | 0 | 0 |
Total, interest income recognized | 0 | 0 |
Total, related allowance | 0 |  | 0
Multifamily Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 748,000 |  | 802,000
With no related allowance recorded, unpaid principal balance | 830,000 |  | 884,000
With no related allowance recorded, average recorded investment | 775,000 | 525,000 |
With no related allowance recorded, interest income recognized | 23,000 | 12,000 |
With an allowance recorded, recorded investment | 0 |  | 0
With an allowance recorded, unpaid principal balance | 0 |  | 0
Impaired Financing Receivable, Related Allowance | 0 |  | 0
With an allowance recorded, average recorded investment | 0 | 0 |
With an allowance recorded, interest income recognized | 0 | 0 |
Total, recorded investment | 748,000 |  | 802,000
Total, unpaid principal balance | 830,000 |  | 884,000
Total, average recorded investment | 775,000 | 525,000 |
Total, interest income recognized | 23,000 | 12,000 |
Total, related allowance | 0 |  | 0
Farmland Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 0 |  | 0
With no related allowance recorded, unpaid principal balance | 0 |  | 0
With no related allowance recorded, average recorded investment | 0 | 0 |
With no related allowance recorded, interest income recognized | 0 | 0 |
With an allowance recorded, recorded investment | 0 |  | 0
With an allowance recorded, unpaid principal balance | 0 |  | 0
Impaired Financing Receivable, Related Allowance | 0 |  | 0
With an allowance recorded, average recorded investment | 0 | 0 |
With an allowance recorded, interest income recognized | 0 | 0 |
Total, recorded investment | 0 |  | 0
Total, unpaid principal balance | 0 |  | 0
Total, average recorded investment | 0 | 0 |
Total, interest income recognized | 0 | 0 |
Total, related allowance | 0 |  | 0
Commercial Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 1,693,000 |  | 1,814,000
With no related allowance recorded, unpaid principal balance | 1,728,000 |  | 1,906,000
With no related allowance recorded, average recorded investment | 1,614,000 | 1,933,000 |
With no related allowance recorded, interest income recognized | 61,000 | 63,000 |
With an allowance recorded, recorded investment | 916,000 |  | 377,000
With an allowance recorded, unpaid principal balance | 916,000 |  | 377,000
Impaired Financing Receivable, Related Allowance | 460,000 |  | 152,000
With an allowance recorded, average recorded investment | 736,000 | 547,000 |
With an allowance recorded, interest income recognized | 19,000 | 3,000 |
Total, recorded investment | 2,609,000 |  | 2,191,000
Total, unpaid principal balance | 2,644,000 |  | 2,283,000
Total, average recorded investment | 2,350,000 | 2,480,000 |
Total, interest income recognized | 80,000 | 66,000 |
Total, related allowance | 460,000 |  | 152,000
Consumer Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 0 |  | 0
With no related allowance recorded, unpaid principal balance | 0 |  | 0
With no related allowance recorded, average recorded investment | 0 | 0 |
With no related allowance recorded, interest income recognized | 0 | 0 |
With an allowance recorded, recorded investment | 0 |  | 0
With an allowance recorded, unpaid principal balance | 0 |  | 0
Impaired Financing Receivable, Related Allowance | 0 |  | 0
With an allowance recorded, average recorded investment | 0 | 0 |
With an allowance recorded, interest income recognized | 0 | 0 |
Total, recorded investment | 0 |  | 0
Total, unpaid principal balance | 0 |  | 0
Total, average recorded investment | 0 | 0 |
Total, interest income recognized | 0 | 0 |
Total, related allowance | 0 |  | 0
Manufactured Homes Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 0 |  | 0
With no related allowance recorded, unpaid principal balance | 0 |  | 0
With no related allowance recorded, average recorded investment | 0 | 0 |
With no related allowance recorded, interest income recognized | 0 | 0 |
With an allowance recorded, recorded investment | 0 |  | 0
With an allowance recorded, unpaid principal balance | 0 |  | 0
Impaired Financing Receivable, Related Allowance | 0 |  | 0
With an allowance recorded, average recorded investment | 0 | 0 |
With an allowance recorded, interest income recognized | 0 | 0 |
Total, recorded investment | 0 |  | 0
Total, unpaid principal balance | 0 |  | 0
Total, average recorded investment | 0 | 0 |
Total, interest income recognized | 0 | 0 |
Total, related allowance | 0 |  | 0
Government Portfolio Segment [Member] |  |  |
With no related allowance recorded, recorded investment | 0 |  | 0
With no related allowance recorded, unpaid principal balance | 0 |  | 0
With no related allowance recorded, average recorded investment | 0 | 0 |
With no related allowance recorded, interest income recognized | 0 | 0 |
With an allowance recorded, recorded investment | 0 |  | 0
With an allowance recorded, unpaid principal balance | 0 |  | 0
Impaired Financing Receivable, Related Allowance | 0 |  | 0
With an allowance recorded, average recorded investment | 0 | 0 |
With an allowance recorded, interest income recognized | 0 | 0 |
Total, recorded investment | 0 |  | 0
Total, unpaid principal balance | 0 |  | 0
Total, average recorded investment | 0 | 0 |
Total, interest income recognized | 0 | $ 0 |
Total, related allowance | $ 0 |  | $ 0

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