LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 7) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Accretion Discount [Roll Forward]    
Balance at beginning of period $ 4,229 $ 6,596
Acquired balance, net 13,923
Reclassifications from (to) non-accretable
Accretion to loan interest income (3,458) (1,737)
Disposals of loans (367) (630)
Balance at end of period $ 14,327 $ 4,229