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Note 7 - Loans - Nonaccrual Loans and Loans Past Due Ninety Days or More and Still Accruing (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Loans past due 90+ days and accruing | $ 2,093 | $ 1,207
Nonaccrual loans | 12,309 | 9,218
Residential Portfolio Segment [Member] |  |
Loans past due 90+ days and accruing | 1,188 | 1,002
Nonaccrual loans | 5,285 | 5,078
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Senior Lien [Member] |  |
Loans past due 90+ days and accruing | 983 | 878
Nonaccrual loans | 4,818 | 4,679
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Junior Lien [Member] |  |
Loans past due 90+ days and accruing | 98 | 53
Nonaccrual loans | 354 | 326
Residential Portfolio Segment [Member] | Home Equity Line of Credit 1 [Member] |  |
Loans past due 90+ days and accruing | 107 | 71
Nonaccrual loans | 74 | 73
Residential Portfolio Segment [Member] | Construction Loans [Member] |  |
Loans past due 90+ days and accruing | 0 | 0
Nonaccrual loans | 39 | 0
Commercial Portfolio Segment [Member] |  |
Loans past due 90+ days and accruing | 785 | 165
Nonaccrual loans | 7,009 | 4,124
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] |  |
Loans past due 90+ days and accruing | 496 | 107
Nonaccrual loans | 744 | 1,148
Commercial Portfolio Segment [Member] | Construction Loans [Member] |  |
Loans past due 90+ days and accruing | 0 | 0
Nonaccrual loans | 1,305 | 1,311
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans past due 90+ days and accruing | 59 | 15
Nonaccrual loans | 4,487 | 1,051
Commercial Portfolio Segment [Member] | Loans Secured by Farmland [Member] |  |
Loans past due 90+ days and accruing | 229 | 43
Nonaccrual loans | 424 | 565
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] |  |
Loans past due 90+ days and accruing | 1 | 0
Nonaccrual loans | 0 | 0
Commercial Portfolio Segment [Member] | Other Commercial Loans [Member] |  |
Loans past due 90+ days and accruing | 0 | 0
Nonaccrual loans | 49 | 49
Consumer Portfolio Segment [Member] |  |
Loans past due 90+ days and accruing | 120 | 40
Nonaccrual loans | $ 15 | $ 16

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