STOCK-BASED COMPENSATION (Schedule of Stock-Based Compensation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
STOCK-BASED COMPENSATION [Abstract]
Stock-based compensation expense	$ 1,055	$ 334	$ 283
Excess tax expense related to stock-based compensation	28	27	3
Unrecognized stock-based compensation expense	$ 801	$ 337	$ 222
Weighted average period unrecognized expense is expected to be recognized	1 year	10 months 24 days	1 year 6 months