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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Non Traditional Mortgage Performance by Credit Score (Detail) $ in Thousands | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2016 USD ($) Loan | Dec. 31, 2015 USD ($) Loan | Jun. 30, 2015 USD ($)
Financing Receivable, Recorded Investment [Line Items] |  |  |
Gross loans | $ 6,236,115 | $ 5,184,394 | $ 4,473,095
Non-Traditional Mortgages (NTM) |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Gross loans | $ 842,634 | $ 785,908 |
Consumer | Non-Traditional Mortgages (NTM) |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 699 | 689 |
Gross loans | $ 842,634 | $ 785,908 |
Amount change | $ 56,700 |  |
Percent Change | 7.20% |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 684 | 672 |
Gross loans | $ 838,336 | $ 781,091 |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Gross loans | $ 103,900 | $ 109,800 |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 116 | 121 |
Gross loans | $ 99,620 | $ 105,131 |
Count Change | Loan | 0 |  |
Amount change | $ 0 |  |
Percent Change | 0.00% |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | 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 (NTM) | Green Loans | Green Loans (HELOC) - first liens | Greater than 800 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 20 | 22 |
Gross loans | $ 12,131 | $ 14,067 |
Count Change | Loan | (2) |  |
Amount change | $ (1,936) |  |
Percent Change | (1.90%) |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | Greater than 800 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage | 12.20% | 14.10% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | 700-799 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 56 | 57 |
Gross loans | $ 36,208 | $ 44,307 |
Count Change | Loan | (1) |  |
Amount change | $ (8,099) |  |
Percent Change | (8.10%) |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | 700-799 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage | 36.30% | 44.40% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | 600-699 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 31 | 22 |
Gross loans | $ 34,731 | $ 23,281 |
Count Change | Loan | 9 |  |
Amount change | $ 11,450 |  |
Percent Change | 11.50% |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | 600-699 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage | 34.90% | 23.40% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | Less than 600 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 4 | 5 |
Gross loans | $ 4,079 | $ 4,050 |
Count Change | Loan | (1) |  |
Amount change | $ 29 |  |
Percent Change | 0.00% |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | Less than 600 | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage | 4.10% | 4.10% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | No FICO |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 5 | 10 |
Gross loans | $ 12,471 | $ 13,915 |
Count Change | Loan | (5) |  |
Amount change | $ (1,444) |  |
Percent Change | (1.50%) |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | No FICO | Loan Portfolio Concentration Risk | Non-Traditional Single Family Residential Mortgage Green Loans First Lien Portfolio |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Concentration risk percentage | 12.50% | 14.00% |

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