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LOANS (Schedule of Loans Modified as Troubled Debt Restructurings) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) N | Dec. 31, 2016 USD ($) N | Dec. 31, 2015 USD ($) N
Number of Contracts | N | 6 | 9 | 13
Pre-Modification Outstanding Recorded Investment | $ 1,223 | $ 4,780 | $ 4,104
Post-Modification Outstanding Recorded Investment | $ 1,223 | $ 4,780 | $ 4,104
Residential Portfolio Segment [Member] | Junior Lien [Member] |  |  |
Number of Contracts | N |  | 1 | 1
Pre-Modification Outstanding Recorded Investment |  | $ 63 | $ 58
Post-Modification Outstanding Recorded Investment |  | $ 63 | $ 58
Primary Residential Mortgages [Member] | Residential Portfolio Segment [Member] |  |  |
Number of Contracts | N | 6 | 7 | 11
Pre-Modification Outstanding Recorded Investment | $ 1,223 | $ 4,691 | $ 3,296
Post-Modification Outstanding Recorded Investment | $ 1,223 | $ 4,691 | $ 3,296
Investment Property [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Number of Contracts | N |  |  | 1
Pre-Modification Outstanding Recorded Investment |  |  | $ 750
Post-Modification Outstanding Recorded Investment |  |  | $ 750
Commercial and Industrial Sector [Member] | Commercial Portfolio Segment [Member] |  |  |
Number of Contracts | N |  | 1 |
Pre-Modification Outstanding Recorded Investment |  | $ 26 |
Post-Modification Outstanding Recorded Investment |  | $ 26 |

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