PREMISES AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
PREMISES AND EQUIPMENT [Abstract]
Depreciation	$ 1,100	$ 1,000	$ 912
Operating leases, rent expense	$ 717	$ 660	$ 650