INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Differences between effective tax rates and the federal statutory rate applied to income before income taxes
Effective tax rate (as a percent)	20.90%	17.90%	16.50%	17.70%
Non-deductible expenses				$ 250