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LOANS AND ALLOWANCE FOR LOAN LOSSES, Troubled Debt Restructuring by Portfolio Segment (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2019 USD ($) loan | Jun. 30, 2018 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | loan | 0 | 1
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 163
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 186
Allowance Related to Troubled Debt Restructurings assigned during period | $ 0 | $ 39
Residential Real Estate [Member] | Interest Rate and Maturity Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | loan | 0 | 1
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 163
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 186
Allowance Related to Troubled Debt Restructurings assigned during period | $ 0 | $ 39

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