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SALE OF BUSINESS UNIT (DISCONTINUED OPERATIONS) - Banc Home Loans Sale Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended | 15 Months Ended
--- | --- | --- | --- | --- | ---
Mar. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Mar. 31, 2018 | Jun. 30, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
MSRs sold |  | $ 2,570 | $ 0 | $ 28,549 | $ 39,186 |  |
Net gain on disposal |  | 272 | 236 | 1,275 | 13,538 |  |
Caliber |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Unpaid balances of conventional agency mortgage loans | $ 3,860,000 |  |  |  |  |  |
Banc Home Loan | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Cash premium payment | 25,000 |  |  |  |  |  |
Book value of certain assets sold | 2,500 | 0 | 2,455 | 0 | 2,455 |  | $ 0
Income from earn-out |  | 777 |  | 1,400 |  |  | 2,500
MSRs sold | $ 37,800 | 0 | 0 | 0 | 37,772 |  | 37,772
Net gain on disposal |  | $ 272 | $ 236 | 1,275 | $ 13,538 | $ 15,100 | $ 15,071
Reversal of accrued liabilities |  |  |  | $ 1,000 |  |  |
Banc Home Loan | Discontinued Operations, Disposed of by Sale | Buyout Option, Future Earn-Out Receivable |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Earn-out performance period | 38 months |  |  |  |  |  |
Contingent consideration | $ 35,000 |  |  |  |  |  |

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