EMPLOYEE BENEFIT PLAN (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]
Maximum annual employer matching contribution to 401 (k) plan	$ 2,500	$ 2,500	$ 2,500
Employer's contribution to defined contribution 401(K) plan	$ 800,000	$ 800,000	$ 900,000