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ASSET SALE AND SUBSIDIARY SALE TRANSACTIONS - Additional Information (Details) |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | ---
May 05, 2016 USD ($) | Sep. 25, 2015 USD ($) Branch | Jun. 25, 2015 USD ($) | Jun. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of property |  |  |  |  |  |  | $ 0 | $ 52,250,000
Gain on sale of building |  |  |  | $ 0 |  | $ 9,919,000 | 0 | 9,919,000
Proceeds from sale of loans |  |  |  |  |  |  | 62,927,000 | 313,746,000
Net gain on sale of loans |  |  |  | $ 2,147,000 |  | 7,838,000 | $ 4,342,000 | 12,310,000
Stated interest rate | 10.00% |  |  |  |  |  |  |
Note receivable | $ 5,000,000 |  |  |  |  |  |  |
Americas United Bank |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Number of branches sold | Branch |  | 2 |  |  |  |  |  |
Deposits held for sale |  | $ 46,900,000 |  |  |  |  |  |
Proceeds from sale of loans |  | 40,200,000 |  |  |  |  |  |
Other Income | Americas United Bank |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Gain on sale of transaction |  |  |  |  | $ 163,000 |  |  |
Net Gain on Sale of Loans | Americas United Bank |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Net gain on sale of loans |  | $ 644,000 |  |  |  |  |  |
Building |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Proceeds from sale of property |  |  | $ 52,300,000 |  |  |  |  |
Gain on sale of building |  |  | 9,900,000 |  |  |  |  |
Carrying value of property |  |  | $ 42,300,000 |  |  |  |  |
Building | Professional Fees and All Other Expenses |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Selling costs |  |  |  |  |  | $ 2,300,000 |  | $ 2,300,000
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 transaction | 3,700,000 |  |  |  |  |  |  |
Total assets | 4,500,000 |  |  |  |  |  |  |
Net assets | (540,000) |  |  |  |  |  |  |
Contingent consideration | $ 15,000,000 |  |  |  |  |  |  |
Percentage of equity interest upon redemption | 19.90% |  |  |  |  |  |  |

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