CUMULATIVE PERPETUAL PREFERRED STOCK Fair Value Assumptions (Details)	0 Months Ended
	Apr. 02, 2013	Nov. 18, 2011 Series A Preferred Stock		Apr. 02, 2013 Series B Preferred Stock
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Risk-free interest rate (as a percent)		0.31%	[1]	0.14%	[2]
Expected life of warrants (in months)	10 months 15 days	2 years
Expected dividend yield (as a percent)		0.00%		0.00%
Expected volatility (as a percent)		65.10%		42.97%

[1] The risk-free interest rate was based on the market yield for two-year U.S. Treasury securities at the acquisition date.

[2] The risk-free interest rate was based on the market yield for one-year U.S. Treasury securities as of the ECB acquisition date.