MORTGAGE BANKING ACTIVITIES - CAPITALIZED MORTGAGE SERVICING RIGHTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
MORTGAGE BANKING ACTIVITIES      
Balance, beginning of period $ 4,912 $ 4,813 $ 5,409
Additions 2,025 1,499 734
Amortized to expense (1,757) (1,400) (1,330)
Balance, end of period 5,180 4,912 4,813
Change in valuation allowance $ 0 $ 0 $ 0