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SERVICING RIGHTS - Additional Information (Details) - USD ($) $ in Thousands |  | 6 Months Ended | 12 Months Ended | 21 Months Ended
--- | --- | --- | --- | ---
Mar. 30, 2017 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018
Servicing Assets at Fair Value [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | $ 204,000 | $ 3,940,000 |  | $ 204,000
Escrow balances |  |  | 300 | 17,800 |  | 300
Sales of servicing rights |  | $ 28,500 | 28,549 | 39,345 | $ 5,382 |
Transfer Of Financial Assets Accounting For As Sales, Principal Amount Outstanding |  | 3,550,000 |  |  |  |
Proceeds from sale of mortgage servicing rights |  | $ 30,100 | 30,056 | 1,496 | 5 |
Net loss on sale of mortgage servicing rights |  |  | (2,260) | 0 | $ 0 |
Servicing rights, held-for-sale, fair value |  |  | $ 66 | 29,800 |  | 66
Prepayment speed |  |  | 9.50% |  |  |
Discontinued Operations, Disposed of by Sale | Banc Home Loan |  |  |  |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |  |  |  |
Sales of servicing rights | $ 37,800 |  | $ 28,500 | 37,772 |  | 37,772
SBA |  |  |  |  |  |
Servicing Assets at Fair Value [Line Items] |  |  |  |  |  |
Unpaid principal balance |  |  | $ 96,400 | $ 101,000 |  | $ 96,400

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- Definition Continuing Involvement with Derecognized Transferred Financial Assets, Recorded Escrow Balance + References No definition available. + Details
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- Definition Gain (Loss) from Sale of Mortgage Servicing RIghts (MSR) + References No definition available. + Details
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- Definition Servicing Asset at Amortized Cost, Prepayment Speed Calculation, Percentage + References No definition available. + Details
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- Definition Servicing Asset at Fair Value, Amount, Held-For-Sale + References No definition available. + Details
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- Definition Transfer Of Financial Assets Accounting For As Sales, Principal Amount Outstanding + References No definition available. + Details
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- Definition Amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction that have been derecognized. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=d3e107314-111719 + Details
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- Definition The cash inflow from the sale of servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating mortgage loans and then (a) transferring the loans to a Variable Interest Entity (VIE) in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7524895&loc=d3e120260-111741 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition Decrease in servicing assets subsequently measured at fair value resulting from conveyance of servicing rights to unrelated parties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122625-111746 + Details
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