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SHORT-TERM BORROWINGS (Schedule of Short-term Borrowings) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Short-term Debt [Line Items] |  |
Short-term borrowings, At Year End | $ 21,734 | $ 3,203
Retail Repurchase Agreements [Member] |  |
Short-term Debt [Line Items] |  |
Short-term borrowings, Average for the Year | $ 3,324 | $ 5,753
Short-term borrowings, weighted interest rate, Average for the Year | 0.49% | 0.24%
Short-term borrowings, At Year End | $ 6,072 | $ 3,203
Short-term debt, weighted interest rate, At Year End | 0.78% | 0.25%
Federal Home Loan Bank Advances [Member] |  |
Short-term Debt [Line Items] |  |
Short-term borrowings, Average for the Year | $ 1,183 |
Short-term borrowings, weighted interest rate, Average for the Year | 1.20% |
Short-term borrowings, At Year End | $ 15,662 |
Short-term debt, weighted interest rate, At Year End | 1.63% |
Federal Funds Purchased [Member] |  |
Short-term Debt [Line Items] |  |
Short-term borrowings, Average for the Year | $ 18 |
Short-term borrowings, weighted interest rate, Average for the Year | 1.84% |

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