CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	750,000,000	750,000,000
Common stock, issued	202,344,455	202,344,455
Common stock, outstanding	202,344,455	202,344,455
Series D preferred stock, $0.01 par value, 21,735,008 shares (part of 100,000,000 aggregate preferred shares authorized) issued and outstanding at March 31, 2014 and December 31, 2013, respectively
Convertible preferred stock, par value	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	21,735,008	21,735,008
Convertible preferred stock, issued	21,735,008	21,735,008
Convertible preferred stock, outstanding	21,735,008	21,735,008
Preferred stock (excluding Series D Preferred Stock), $0.01 par value, 100,000,000 shares authorized and 42,654,919 and 42,199,547 shares issued and outstanding at March 31, 2014 and December 31, 2013
Convertible preferred stock, par value	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	100,000,000	100,000,000
Convertible preferred stock, issued	828,472	828,472
Convertible preferred stock, outstanding	828,472	828,472