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Note 4 - Loans - Age Analysis of Past Due Loans and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018 | Jun. 30, 2018
--- | --- | --- | ---
Loans | $ 935,271 | $ 782,027 | $ 766,796
Financial Asset Originated [Member] |  |  |
Accruing loans past due | 3,788 | 8,234 |
Nonaccrual loans | 9,571 | 9,482 |
Current loans | 782,686 | 745,924 |
Loans | 796,045 | 763,640 |
Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 203 |  |
Nonaccrual loans | 180 |  |
Current loans | 138,843 | 18,387 |
Loans | 139,226 | 18,387 |
Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 3,786 | 8,234 |
Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 203 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 2 |  |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] |  |  |
Loans | 68,535 | 57,410 | 45,029
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 365 | 282 |
Nonaccrual loans | 442 | 637 |
Current loans | 42,754 | 49,262 |
Loans | 43,561 | 50,181 |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 178 |  |
Nonaccrual loans | 43 |  |
Current loans | 24,753 | 7,229 |
Loans | 24,974 | 7,229 |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 365 | 282 |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 178 |  |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Commercial and Agricultural Portfolio Segment [Member] | Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] |  |  |
Loans | 18,861 | 16,799 | 20,037
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  | 117 |
Nonaccrual loans | 1,304 | 413 |
Current loans | 17,257 | 15,463 |
Loans | 18,561 | 15,993 |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans |  |  |
Current loans | 300 | 806 |
Loans | 300 | 806 |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  | 117 |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Commercial and Agricultural Portfolio Segment [Member] | Agricultural [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Commercial [Member] |  |  |
Loans | 433,816 | 373,534 | 352,063
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 822 | 679 |
Nonaccrual loans | 1,849 | 2,966 |
Current loans | 373,392 | 363,147 |
Loans | 376,063 | 366,792 |
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans |  |  |
Current loans | 57,753 | 6,742 |
Loans | 57,753 | 6,742 |
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 822 | 679 |
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Commercial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] |  |  |
Loans | 72,978 | 47,849 | 48,909
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 123 | 88 |
Nonaccrual loans | 36 | 463 |
Current loans | 60,790 | 46,058 |
Loans | 60,949 | 46,609 |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans | 69 |  |
Current loans | 11,960 | 1,240 |
Loans | 12,029 | 1,240 |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 123 | 88 |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Commercial Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] |  |  |
Loans | 18,622 | 12,500 | 11,541
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans | 354 |  |
Current loans | 12,839 | 12,242 |
Loans | 13,193 | 12,242 |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans |  |  |
Current loans | 5,429 | 258 |
Loans | 5,429 | 258 |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Residential Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Residential [Member] |  |  |
Loans | 205,188 | 187,714 | 187,591
Real Estate Portfolio Segment [Member] | Residential [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 2,276 | 6,882 |
Nonaccrual loans | 2,786 | 2,734 |
Current loans | 172,121 | 176,083 |
Loans | 177,183 | 185,699 |
Real Estate Portfolio Segment [Member] | Residential [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 9 |  |
Nonaccrual loans | 25 |  |
Current loans | 27,971 | 2,015 |
Loans | 28,005 | 2,015 |
Real Estate Portfolio Segment [Member] | Residential [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 2,276 | 6,882 |
Real Estate Portfolio Segment [Member] | Residential [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 9 |  |
Real Estate Portfolio Segment [Member] | Residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Residential [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Farmland [Member] |  |  |
Loans | 74,272 | 62,709 | 67,867
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 139 | 76 |
Nonaccrual loans | 2,669 | 2,052 |
Current loans | 67,605 | 60,546 |
Loans | 70,413 | 62,674 |
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans | 39 |  |
Current loans | 3,820 | 35 |
Loans | 3,859 | 35 |
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 139 | 76 |
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Real Estate Portfolio Segment [Member] | Farmland [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] |  |  |
Loans | 23,066 | 18,485 | 18,746
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 63 | 110 |
Nonaccrual loans | 131 | 213 |
Current loans | 17,666 | 18,100 |
Loans | 17,860 | 18,423 |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 16 |  |
Nonaccrual loans | 4 |  |
Current loans | 5,186 | 62 |
Loans | 5,206 | 62 |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 61 | 110 |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due | 16 |  |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due | 2 |  |
Consumer and Other Portfolio Segment [Member] | Consumer [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Consumer and Other Portfolio Segment [Member] | Other [Member] |  |  |
Loans | 19,933 | 5,027 | $ 15,013
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans |  | 4 |
Current loans | 18,262 | 5,023 |
Loans | 18,262 | 5,027 |
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Nonaccrual loans |  |  |
Current loans | 1,671 |  |
Loans | 1,671 |  |
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financing Receivables, 30-89 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Asset Originated [Member] |  |  |
Accruing loans past due |  |  |
Consumer and Other Portfolio Segment [Member] | Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Financial Assets Acquired [Member] |  |  |
Accruing loans past due |  |  |

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