EMPLOYEE BENEFIT PLAN (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Employee benefit plan disclosures
Eligibility criteria for participation in the Plan	21 years
Fair value of issuance of common stock to 401(k) plan	$ 173	$ 192	$ 92
Common Stock
Employee benefit plan disclosures
Issuance of stock to 401(k) plan (in shares)	167,011	78,884	47,105
Fair value of issuance of common stock to 401(k) plan	$ 173