FAIR VALUE - ASSETS MEASURED ON NON-RECURRING BASIS (Details) - Nonrecurring basis - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value Disclosures
Impaired loan on non-recurring basis	$ 7,349	$ 7,864
Other real estate owned	83	400
Other Real Estate Owned
Fair Value Disclosures
Other real estate owned	83	400
Residential Real Estate - Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	4,206	4,787
Residential Real Estate - Non Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	26	8
Commercial Real Estate
Fair Value Disclosures
Impaired loan on non-recurring basis	2,668	2,643
Home equity lines of credit
Fair Value Disclosures
Impaired loan on non-recurring basis	449	426
Premises and equipment
Fair Value Disclosures
Impaired loan on non-recurring basis	3,196	2,407
Fair Value, Inputs, Level 3
Fair Value Disclosures
Impaired loan on non-recurring basis	7,349	7,864
Other real estate owned	83	400
Fair Value, Inputs, Level 3 | Other Real Estate Owned
Fair Value Disclosures
Other real estate owned	83	400
Fair Value, Inputs, Level 3 | Residential Real Estate - Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	4,206	4,787
Fair Value, Inputs, Level 3 | Residential Real Estate - Non Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	26	8
Fair Value, Inputs, Level 3 | Commercial Real Estate
Fair Value Disclosures
Impaired loan on non-recurring basis	2,668	2,643
Fair Value, Inputs, Level 3 | Home equity lines of credit
Fair Value Disclosures
Impaired loan on non-recurring basis	449	426
Fair Value, Inputs, Level 3 | Premises and equipment
Fair Value Disclosures
Impaired loan on non-recurring basis	$ 3,196	$ 2,407