EMPLOYEE BENEFIT PLANS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee benefit plan
Employer match of participants' contributions of next 2% of eligible compensation (as a percent)	2.00%
Percentage of eligible compensation, matched 50% by employer	50.00%
Expenses under the plan	$ 276	$ 222	$ 202
Maximum
Employee benefit plan
Employer match of participants' contributions not exceeding 3 percent of compensation (as a percent)	3.00%
Percentage of eligible compensation, matched 100% by employer	100.00%