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SALES OF BRANCH, SUBSIDIARY AND BUSINESS UNITS - The Palisades Group Sale Additional Information (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
May 05, 2016 | Dec. 31, 2017 | Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Stated interest rate | 10.00% |  |
Note receivable | $ 5,000,000 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | The Palisades Group |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Gain on sale of The Palisades Group | 3,700,000 |  | $ 3,694,000
The Note | $ 2,400,000 |  | $ 2,370,000
Gain on repayment of notes receivable |  | $ 2,800,000 |

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