FAIR VALUE - ASSETS MEASURED ON NON-RECURRING BASIS (Details) - Nonrecurring basis - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Fair Value Disclosures
Impaired loan on non-recurring basis	$ 7,002	$ 6,103
Other real estate owned		83
Other Real Estate Owned
Fair Value Disclosures
Other real estate owned		83
Residential Real Estate - Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	3,269	4,107
Residential Real Estate - Non Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	1,339	237
Commercial Real Estate
Fair Value Disclosures
Impaired loan on non-recurring basis	1,342	1,366
Commercial & industrial
Fair Value Disclosures
Impaired loan on non-recurring basis	744
Home equity lines of credit
Fair Value Disclosures
Impaired loan on non-recurring basis	308	393
Premises
Fair Value Disclosures
Impaired loan on non-recurring basis	2,896	3,017
Fair Value, Inputs, Level 3
Fair Value Disclosures
Impaired loan on non-recurring basis	7,002	6,103
Other real estate owned		83
Fair Value, Inputs, Level 3 | Other Real Estate Owned
Fair Value Disclosures
Other real estate owned		83
Fair Value, Inputs, Level 3 | Residential Real Estate - Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	3,269	4,107
Fair Value, Inputs, Level 3 | Residential Real Estate - Non Owner Occupied
Fair Value Disclosures
Impaired loan on non-recurring basis	1,339	237
Fair Value, Inputs, Level 3 | Commercial Real Estate
Fair Value Disclosures
Impaired loan on non-recurring basis	1,342	1,366
Fair Value, Inputs, Level 3 | Commercial & industrial
Fair Value Disclosures
Impaired loan on non-recurring basis	744
Fair Value, Inputs, Level 3 | Home equity lines of credit
Fair Value Disclosures
Impaired loan on non-recurring basis	308	393
Fair Value, Inputs, Level 3 | Premises
Fair Value Disclosures
Impaired loan on non-recurring basis	$ 2,896	$ 3,017