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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Non Traditional Mortgage Performance by Credit Score (Detail) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2017 USD ($) Loan | Dec. 31, 2016 USD ($) Loan | Mar. 31, 2016 USD ($)
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | $ 6,105,321 | $ 6,034,752 | $ 5,463,068
Non-Traditional Mortgages (NTM) |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | $ 818,010 | $ 885,148 |
Consumer | Non-Traditional Mortgages (NTM) |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 607 | 663 |
Loans | $ 818,010 | $ 885,148 |
Amount change | $ (67,100) |  |
Percent Change | (7.60%) |  |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 595 | 651 |
Loans | $ 814,461 | $ 881,589 |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans | $ 89,200 | $ 91,000 |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 104 | 107 |
Loans | $ 85,665 | $ 87,469 |
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 | 16 | 16 |
Loans | $ 11,841 | $ 9,371 |
Count Change | Loan | 0 |  |
Amount change | $ 2,470 |  |
Percent Change | 2.80% |  |
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 | 13.80% | 11.00% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | 700-799 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 57 | 52 |
Loans | $ 43,049 | $ 41,742 |
Count Change | Loan | 5 |  |
Amount change | $ 1,307 |  |
Percent Change | 0.80% |  |
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 | 50.30% | 49.50% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | 600-699 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 22 | 28 |
Loans | $ 21,933 | $ 27,332 |
Count Change | Loan | (6) |  |
Amount change | $ (5,399) |  |
Percent Change | (5.60%) |  |
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 | 25.60% | 31.20% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | Less than 600 |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 2 | 1 |
Loans | $ 3,422 | $ 1,800 |
Count Change | Loan | 1 |  |
Amount change | $ 1,622 |  |
Percent Change | 1.90% |  |
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 | 4.00% | 2.10% |
Consumer | Non-Traditional Mortgages (NTM) | Green Loans | Green Loans (HELOC) - first liens | No FICO |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Count | Loan | 7 | 7 |
Loans | $ 5,420 | $ 5,420 |
Count Change | Loan | 0 |  |
Amount change | $ 0 |  |
Percent Change | 0.10% |  |
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 | 6.30% | 6.20% |

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