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Note 11 - Other Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Debt [Table Text Block] |
|  |  |  |  |  |  |  | Weighted- |  |  | Stated interest |  |  |  |  |  |  |  |  |
(Dollar amounts in thousands) |  | Maturity range |  |  | average |  |  | rate range |  |  |  |  |  |  |  |  |
Description |  | from |  |  | to |  |  | interest rate |  |  | from |  |  |  | to |  |  |  | 2017 |  |  |  | 2016 |
Fixed-rate amortizing |  | 02/01/18 |  | 10/01/28 |  |  |  | 1.24 | % |  |  | 1.01 | % |  |  | 4.47 | % |  | $ | 20,817 |  |  | $ | 1,189 |
Junior subordinated debt |  | 12/21/37 |  | 12/21/37 |  |  |  | 2.85 | % |  |  | 2.56 | % |  |  | 3.05 | % |  |  | 8,248 |  |  |  | 8,248 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 29,065 |  |  | $ | 9,437 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
(Dollar amounts in thousands) |  |  |  |  |  |  |  |
|  |  |  |  |  | Weighted- |
Year Ending December 31, |  | Amount |  |  | Average Rate |
2018 |  | $ | 20,252 |  |  |  | 1.16 | %
2019 |  |  | 155 |  |  |  | 4.04 | %
2020 |  |  | 116 |  |  |  | 4.04 | %
2021 |  |  | 87 |  |  |  | 4.04 | %
2022 |  |  | 65 |  |  |  | 4.04 | %
Beyond 2022 |  |  | 8,390 |  |  |  | 2.79 | %
Total |  | $ | 29,065 |  |  |  | 2.86 | %

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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