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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Summary of Allowance for credit losses (Details) - USD ($) | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Impaired [Line Items] |  |
Troubled debt restructured loans | $ 256,000 | $ 263,000
Non-accrual and 90+ days past due and still accruing loans to average loans | 1.48% | 1.32%
Allowance for credit losses to non-accrual and 90 days or more and still accruing loans | 58.60% | 77.70%
Commercial |  |
Financing Receivable, Impaired [Line Items] |  |
Troubled debt restructured loans | $ 211,000 |
Consumer |  |
Financing Receivable, Impaired [Line Items] |  |
Troubled debt restructured loans | $ 45,000 |

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- Definition Represents Allowance for credit losses to non-accrual and 90 days or more and still accruing loans. + References No definition available. + Details
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