BENEFIT PLANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Maximum contribution by employees as a percentage of pre-tax earnings	50.00%
Generally the maximum amount a participant may contribute in accordance with statutory limits	$ 17,500	$ 17,500	$ 17,000
Matching contribution by employer per dollar of contribution by participant	0.50
Maximum contribution by employer (as a percent)	6.00%
Requisite service period for matching contribution	3 years
Vesting of employer matching contribution prior to requisite service period (as a percent)	0.00%
Vesting of employer matching contribution after requisite service period (as a percent)	100.00%
Matching contribution made by the entity	$ 500,000	$ 200,000	$ 300,000