INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income tax expense	$ 7,218	$ 7,645	$ 22,260	$ 20,451
Effective tax rate	32.00%	33.90%	32.40%	31.50%