ALLOWANCE FOR LOAN AND LEASE LOSSES - Changes in the Allowance for Loan and Lease Losses for the Current and Comparable Quarter and Year-to-Date (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Receivables [Abstract]        
Balance at beginning of period $ 46,931 $ 42,128 $ 43,149 $ 42,820
Provision for loan and lease losses 1,886 1,382 7,381 6,114
Loans charged off (1,131) (2,385) (4,547) (9,200)
Recoveries 1,206 1,194 2,909 2,585
Balance at end of period 48,892 42,319 48,892 42,319
Balance at beginning of period 9,777 10,748 10,249 10,038
Provision for loan and lease losses covered (199) 1,265 (2) 1,663
Loans charged-off (1,419) (1,577) (3,147) (5,078)
Recoveries 567 577 1,626 4,390
Balance at end of period 8,726 11,013 8,726 11,013
Balance at beginning of period 56,708 52,876 53,398 52,858
Provision for Loan and Lease Losses 1,687 2,647 7,379 7,777
Loans charged-off (2,550) (3,962) (7,694) (14,278)
Recoveries 1,773 1,771 4,535 6,975
Balance at end of period $ 57,618 $ 53,332 $ 57,618 $ 53,332