Earnings Per Common Share (Details) (USD $)	3 Months Ended
Mar. 31, 2014
Common Stock
Common shares from conversion of preferred shares	7,298,165
Series D Convertible Preferred Shares
Common shares from conversion of preferred shares	15,180,000
Preferred Stock Conversion Ratio Percentage	0.98
Liquidation preference (in dollars per share)	$ 25.00
Number of consecutive trading days considered for calculating the average of the closing sale prices of the common shares	5 days

Specific terms relevant to convertibility. Includes class of preferred stock and number of shares convertible into, exercise (or conversion) price or rates, dates relevant to conversion timing and events relevant to conversion. Describe also any beneficial conversion features. where convertible preferred stock with a nondetachable conversion feature is in-the-money at commitment date. For contingently convertible preferred stock, discuss the circumstances of the contingency, including the events or changes in circumstance that would cause the contingency to be met and any of the significant features necessary to understand the conversion rights and the timing of those rights. Include also an events or changes in circumstance, if any, that could adjust or change the contingency, conversion price, or number of shares, including significant terms of those changes.

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The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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