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FAIR VALUES OF FINANCIAL INSTRUMENTS - Additional Information (Detail) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Loans held-for-sale that were 90 days or more past due and still accruing | $ 0 | $ 0
Discontinued Operations |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Loans held-for-sale that were 90 days or more past due and still accruing | $ 0 | $ 0
Insured |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Expected loss rate | 1.55% | 1.55%
Uninsured |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Expected loss rate | 20.00% | 20.00%

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