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MORTGAGE BANKING ACTIVITIES - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items] |  |  |
Originations of loans held for sale from mortgage banking | $ 4,388,042 | $ 2,822,406 | $ 1,942,622
Proceeds from sale of mortgage loans held-for-sale | 4,300,000 | 2,750,000 | 1,860,000
Net gain on sale of mortgage loans held for sale | $ 128,700 | $ 84,100 | $ 58,000
Margin on sale of mortgage loans held for sale | 2.93% | 2.98% | 2.99%
Loan origination fees | $ 15,900 | $ 11,300 | $ 9,900
Loans sold | 44,300 | 25,200 | 10,900
Provision for loss reimbursement on sold loans | 2,326 | 2,808 | 2,383
Representations and Warranties Obligations and Corporate Guarantees |  |  |
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items] |  |  |
Provision for loss reimbursement on sold loans | 4,400 | 4,200 | $ 2,400
Initial provision for loan repurchases | $ 2,000 | $ 1,400 |

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- Definition Loss Contingency, Accrual, Provision, Initial Loan Repurchases + References No definition available. + Details
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- Definition Provision charged for the period based on estimated losses for sold loans that may have to be subsequently repurchased and amounts that may have to be paid to reimburse certain investor losses due to defects that occurred in the origination of the loans. + References No definition available. + Details
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- Definition Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Margin + References No definition available. + Details
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- Definition Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale, Origination Fee + References No definition available. + Details
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- Definition Transfers Of Financial Assets Accounted For As Sale, Initial Fair Value Of Assets Obtained As Proceeds, Sold + References No definition available. + Details
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- Definition The amount of cash paid for the origination of mortgages that are held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
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- Definition The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3461-108585 + Details
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- Definition Reflects, by transferred financial asset type, the amount of sales proceeds in excess of or deficient from the sum of the carrying amounts of transferred financial assets plus transaction costs, including those transactions in which the seller/transferor has continuing involvement with the financial assets that have been transferred. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51814546&loc=d3e107207-111719 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 10 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=56951636&loc=d3e96813-111708 + Details
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- Details
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