LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - FORECLOSURE RECORDED INVESTMENT (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Recorded investment in residential and consumer loans based on payment activity | ||
| Loans and Leases Receivable Gross Carrying Amount | $ 3,810,778 | $ 3,326,610 |
| Residential Real Estate - Owner Occupied | ||
| Recorded investment in residential and consumer loans based on payment activity | ||
| Loans and Leases Receivable Gross Carrying Amount | 1,000,148 | 1,081,934 |
| Residential Real Estate - Owner Occupied | Foreclosure Proceedings In Process | ||
| Recorded investment in residential and consumer loans based on payment activity | ||
| Loans and Leases Receivable Gross Carrying Amount | $ 1,677 | $ 4,602 |