CONVERTIBLE NOTE (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	9 Months Ended
	Sep. 18, 2013	Sep. 30, 2013	Sep. 30, 2012
CONVERTIBLE NOTE [Abstract]
Principal amount	$ 69,000
Debt additional principal amount	9,000
Interest rate	4.50%
Base value for conversion rate	1
Number of shares for basis conversion	173.6593
Conversion price per share	$ 5.76
Net proceeds from issuance of convertible notes	$ 66,800	$ 66,930
Maturity	Sep. 15, 2018