FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Commitments to extend credit
Financial instruments whose contract amounts represent credit risk
Contract or Notional Amount	$ 322,788	$ 306,587
Letters of credit
Financial instruments whose contract amounts represent credit risk
Contract or Notional Amount	$ 13,043	$ 10,084
Letters of credit secured by marketable securities	77.00%	91.00%