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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Bank Owned Life Insurance (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Bank Owned Life Insurance [Abstract] |  |  |
Benefit in excess of the cash surrender value | 50.00% |  |
Obligation included in other liabilities | $ 684 | $ 648 |
Expenses associated with split dollar benefit | $ 36 | $ 69 | $ 10

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