INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
INCOME TAXES
Income tax provision	$ 543	$ 632	$ 1,247	$ 1,136
Effective income tax rate	24.30%	37.60%	24.10%	36.50%