FAIR VALUE MEASUREMENTS - RECURRING (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale Securities	$ 75,897	$ 86,273
Corporate
Available-for-sale Securities	24,391	19,910
Equity
Available-for-sale Securities	500	500
US Agencies
Available-for-sale Securities	16,846	23,952
US Agencies - MBS
Available-for-sale Securities	12,716	16,833
Obligations of states and political subdivisions
Available-for-sale Securities	21,444	25,078
Recurring
Available-for-sale Securities	75,897	86,273
Recurring | Corporate
Available-for-sale Securities	24,391	19,910
Recurring | Equity
Available-for-sale Securities	500	500
Recurring | US Agencies
Available-for-sale Securities	16,846	23,952
Recurring | US Agencies - MBS
Available-for-sale Securities	12,716	16,833
Recurring | Obligations of states and political subdivisions
Available-for-sale Securities	21,444	25,078
Level 2 | Recurring | Corporate
Available-for-sale Securities	24,391	19,910
Level 2 | Recurring | US Agencies
Available-for-sale Securities	16,846	23,952
Level 2 | Recurring | US Agencies - MBS
Available-for-sale Securities	12,716	15,683
Level 2 | Recurring | Obligations of states and political subdivisions
Available-for-sale Securities	20,444	25,078
Level 3 | Recurring | Equity
Available-for-sale Securities	500	500
Level 3 | Recurring | US Agencies - MBS
Available-for-sale Securities		$ 1,150
Level 3 | Recurring | Obligations of states and political subdivisions
Available-for-sale Securities	$ 1,000