LOANS AND ASSET QUALITY - Summary of Allowance for credit losses (Details 1) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Troubled debt restructured loans	$ 302	$ 312
Non-accrual and 90 days or more and still accruing loans to gross loans	1.32%	1.43%
Allowance for credit losses to non-accrual and 90 days or more and still accruing loans	72.52%	65.59%