INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
INCOME TAXES
Effective tax rate (as a percent)	38.30%	40.90%	38.80%	45.30%
Impairment charges				$ 6,700