FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 8)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2010
Valuation Methodologies
Maximum Term of Maturity for Securities Purchased under Resale Agreements to be Included in Cash and Cash Equivalents	90 days
Term of Maturity that Securities Purchased under Resale Agreements Must Exceed to be Included in Certain Fair Value Calculations	90 days
Foreign exchange options
Valuation Methodologies
Term of contracts		5 years
Embedded derivative liabilities
Valuation Methodologies
Term of contracts		5 years