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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Non Traditional Mortgage Performance by Credit Score (Detail) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 USD ($) Loan | Dec. 31, 2015 USD ($) Loan | Dec. 31, 2014 USD ($) Loan
Financing Receivable, Recorded Investment [Line Items] |  |  |
Amount | $ 5,184,394 | $ 5,184,394 | $ 3,949,122
Non-Traditional Mortgages |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Amount | 785,908 | $ 785,908 | $ 350,575
Consumer | Non-Traditional Mortgages |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 689 | 407
Amount | 785,908 | $ 785,908 | $ 350,575
Amount change |  | $ 435,300 |
Percent Change |  | 124.20% |
Consumer | Non-Traditional Mortgages | First lien |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 672 | 387
Amount | 781,091 | $ 781,091 | $ 345,483
Consumer | Non-Traditional Mortgages | Green Loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Amount | 109,800 | $ 109,800 | $ 128,200
Consumer | Non-Traditional Mortgages | Green Loans | First lien |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 121 | 148
Amount | $ 105,131 | $ 105,131 | $ 123,177
Count Change | Loan | 0 |  |
Amount change | $ 0 |  |
Percent Change | 0.00% |  |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | By FICO Scores Obtained During the Quarter Ended December 31, 2015 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 121 |
Amount | $ 105,131 | $ 105,131 |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | By FICO Scores Obtained During the Quarter Ended December 31, 2015 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  | 100.00% |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | By FICO Scores Obtained During the Quarter Ended December 31, 2014 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  |  | 121
Amount |  |  | $ 105,131
Consumer | Non-Traditional Mortgages | Green Loans | First lien | By FICO Scores Obtained During the Quarter Ended December 31, 2014 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  |  | 100.00%
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Greater than 800 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count Change | Loan | (2) |  |
Amount change | $ (2,149) |  |
Percent Change | (2.10%) |  |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Greater than 800 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 22 |
Amount | $ 14,438 | $ 14,438 |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Greater than 800 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  | 13.70% |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Greater than 800 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  |  | 24
Amount |  |  | $ 16,587
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Greater than 800 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  |  | 15.80%
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 700-799 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count Change | Loan | 2 |  |
Amount change | $ 4,097 |  |
Percent Change | 4.00% |  |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 700-799 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 60 |
Amount | $ 48,775 | $ 48,775 |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 700-799 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  | 46.50% |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 700-799 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  |  | 58
Amount |  |  | $ 44,678
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 700-799 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  |  | 42.50%
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 600-699 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count Change | Loan | (1) |  |
Amount change | $ (3,168) |  |
Percent Change | (3.10%) |  |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 600-699 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 23 |
Amount | $ 23,600 | $ 23,600 |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 600-699 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  | 22.40% |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 600-699 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  |  | 24
Amount |  |  | $ 26,768
Consumer | Non-Traditional Mortgages | Green Loans | First lien | 600-699 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  |  | 25.50%
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Less than 600 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count Change | Loan | (3) |  |
Amount change | $ (7,787) |  |
Percent Change | (7.40%) |  |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Less than 600 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 5 |
Amount | $ 4,030 | $ 4,030 |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Less than 600 | By FICO Scores Obtained During the Quarter Ended December 31, 2015 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  | 3.80% |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Less than 600 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  |  | 8
Amount |  |  | $ 11,817
Consumer | Non-Traditional Mortgages | Green Loans | First lien | Less than 600 | By FICO Scores Obtained During the Quarter Ended December 31, 2014 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  |  | 11.20%
Consumer | Non-Traditional Mortgages | Green Loans | First lien | No FICO |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count Change | Loan | 4 |  |
Amount change | $ 9,007 |  |
Percent Change | 8.60% |  |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | No FICO | By FICO Scores Obtained During the Quarter Ended December 31, 2015 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  | 11 |
Amount | $ 14,288 | $ 14,288 |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | No FICO | By FICO Scores Obtained During the Quarter Ended December 31, 2015 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  | 13.60% |
Consumer | Non-Traditional Mortgages | Green Loans | First lien | No FICO | By FICO Scores Obtained During the Quarter Ended December 31, 2014 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan |  |  | 7
Amount |  |  | $ 5,281
Consumer | Non-Traditional Mortgages | Green Loans | First lien | No FICO | By FICO Scores Obtained During the Quarter Ended December 31, 2014 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage |  |  | 5.00%

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