LOANS AND LEASES - Changes in Other Real Estate Owned (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Balance at beginning of period $ 9,302 $ 16,401 $ 12,525 $ 22,674
Additions 1,239 1,583 2,418 5,955
Disposals (2,736) (2,560) (6,908) (12,238)
Write-downs 228 237 458 1,204
Balance at end of period 7,577 15,187 7,577 15,187
Commercial        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Additions 936 178 1,824 2,745
Disposals (2,670) (852) (4,763) (9,394)
Write-downs 186 183 332 963
Residential - real estate        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Additions 303 1,405 594 3,210
Disposals (66) (1,708) (2,145) (2,844)
Write-downs $ 42 $ 54 $ 126 $ 241