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LOANS AND ALLOWANCE FOR LOAN LOSSES, Troubled Debt Restructuring by Portfolio Segment (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 USD ($) loan | Jun. 30, 2017 USD ($) loan | Jun. 30, 2018 USD ($) loan | Jun. 30, 2017 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | loan | 1 | 1 | 1 | 2
Pre-Modification Outstanding Recorded Investment | $ 163,000 | $ 315,000 | $ 163,000 | $ 466,000
Post-Modification Outstanding Recorded Investment | 186,000 | 315,000 | 186,000 | 466,000
Specific Reserve | $ 39,000 | $ 0 | $ 39,000 | $ 15,000
Home Equity Loan |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 1 | 0 | 1
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 315,000 | $ 0 | $ 315,000
Post-Modification Outstanding Recorded Investment | 0 | 315,000 | 0 | 315,000
Specific Reserve | $ 0 | $ 0 | $ 0 | $ 0
Residential Real Estate |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | loan | 1 | 0 | 1 | 0
Pre-Modification Outstanding Recorded Investment | $ 163,000 | $ 0 | $ 163,000 | $ 0
Post-Modification Outstanding Recorded Investment | 186,000 | 0 | 186,000 | 0
Specific Reserve | $ 39,000 | $ 0 | $ 39,000 | $ 0
Residential Real Estate | Extended Maturity |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | loan |  |  | 0 | 1
Pre-Modification Outstanding Recorded Investment |  |  | $ 0 | $ 151,000
Post-Modification Outstanding Recorded Investment |  |  | 0 | 151,000
Specific Reserve |  |  | $ 0 | $ 15,000

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