STOCKHOLDERS' EQUITY (Textual) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Dec. 31, 2013	Dec. 31, 2014
Class of Stock [Line Items]
Number of classes of preferred stock outstanding	4
Preferred Class C D [Member]
Class of Stock [Line Items]
Dividends deferred and accrued on preferred stock	$ 77.8		$ 77.8
Dividends on preferred stock if the Company had continued to declare and accrue dividends	9.6	4.1	33.2
Dividends that would have been accrued and deferred as of the balance sheet date if the Company had continued to declare and accrue dividends	124.7		115.1
Preferred Class C D [Member] | Regularly Scheduled Dividend Payments [Member]
Class of Stock [Line Items]
Dividends deferred and accrued on preferred stock	68.4		68.4
Preferred Class C D [Member] | Cumulative Dividends On Unpaid Regular Dividends [Member]
Class of Stock [Line Items]
Dividends deferred and accrued on preferred stock	$ 9.4		$ 9.4