BENEFIT PLANS (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
401 (K) Plans
Minimum hours of work required by the participants to participate in the plan	1000 hours
Minimum age of participants for eligibility to participate in the plan	21 years
Employee contribution limit as a percentage of annual compensation	60.00%
Expense related to contributions	$ 1,300,000	$ 1,000,000	$ 433,000