EQUITY (Preferred Stock) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2010 series
Class of Stock [Line Items]
Number of preferred stock series issued		2
Preferred stock, stated value per share (in dollars per share)		$ 1,000
Preferred stock, company repurchase price per share upon change of control	$ 1,150
Preferred stock, change of control percentage	35.00%
Preferred stock, minimum holder voting percentage to demain registration of preferred stock	51.00%
Preferred stock, percentage of liquidiation preference per annum paid upon company not satisfying demand for registration	1.50%
Preferred stock, liquidation preference per share (in dollars shares)	$ 1,000
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Convertible preferred stock, shares issued		100,000
Issuance of preferred stock		$ 99.8
Convertible preferred stock, conversion price per share (usd per share)	$ 12.41
Convertible preferred stock, dividend rate	6.00%
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Convertible preferred stock, shares issued		32,550
Issuance of preferred stock		$ 32.5
Convertible preferred stock, conversion price per share (usd per share)	$ 10.70
Convertible preferred stock, dividend rate	6.452%