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SERVICING RIGHTS - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Transfers and Servicing [Abstract] |  |  |  |  |
Income earned on mortgage servicing rights | $ 2,007 | $ 774 | $ 1,565 | $ 2,027 |
Unpaid principal balance | 3,100,000 |  | 3,100,000 |  | $ 1,920,000
Escrow balances | 17,700 |  | 17,700 |  | 8,300
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Servicing rights held for sale, carried at fair value | 0 |  | $ 0 |  | 5,947
Discount rate |  |  | 7.25% |  |
Prepayment speed |  |  | 7.25% |  |
Recurring | Significant Unobservable Inputs (Level 3) |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |
Servicing rights held for sale, carried at fair value | $ 0 |  | $ 0 |  | $ 5,900

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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 Servicing Asset, Held-For-Sale + References No definition available. + Details
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- Definition Servicing Asset at Amortized Cost, Discount Rate + 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 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of revenue from servicing real estate mortgages, credit cards, and other financial assets held by others. Includes premiums received in lieu of regular servicing fees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13 (d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 9 + Details
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