STOCK-BASED COMPENSATION Employee Benefit Plan (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
STOCK-BASED COMPENSATION [Abstract]
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent	3.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 51,000	$ 44,000	$ 25,000