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LOANS AND ALLOWANCE FOR LOAN LOSSES, Troubled Debt Restructuring by Portfolio Segment (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) loan | Sep. 30, 2018 USD ($) loan | Sep. 30, 2019 USD ($) loan | Sep. 30, 2018 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 2 | 0 | 3
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 234 | $ 0 | $ 397
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 234 | 0 | 420
Allowance Related to Troubled Debt Restructurings assigned during period | $ 0 | $ 57 | $ 0 | $ 96
Residential Real Estate [Member] | Interest Rate and Maturity Concession [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 1 | 0 | 2
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 68 | $ 0 | $ 231
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 68 | 0 | 254
Allowance Related to Troubled Debt Restructurings assigned during period | $ 0 | $ 12 | $ 0 | $ 51
Residential Real Estate [Member] | Payment Deferral [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | loan | 0 | 1 | 0 | 1
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 0 | $ 166 | $ 0 | $ 166
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 166 | 0 | 166
Allowance Related to Troubled Debt Restructurings assigned during period | $ 0 | $ 45 | $ 0 | $ 45

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