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Deposits (Tables) | 12 Months Ended
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Dec. 31, 2017
Deposits [Abstract] |
Schedule of Maturities of Long-term Debt [Table Text Block] | At December 31, 2017, scheduled maturities of certificates of deposit were as follows:
|  | (Dollars in thousands) |
2018 |  | $ | 133,265 |
2019 |  |  | 39,065 |
2020 |  |  | 9,444 |
2021 |  |  | 2,051 |
2022 |  |  | 95 |
Total |  | $ | 183,920 |

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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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