CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	1,500,000,000	1,500,000,000
Common stock, issued	907,920,494	239,234,725
Common stock, outstanding (in shares)	907,920,494	239,234,725
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 June 30, 2014 and December 31, 2013, respectively
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	21,735,008	21,735,008
Preferred stock, issued	21,735,008	21,735,008
Preferred stock, outstanding (in shares)	21,735,008	21,735,008
Preferred stock (excluding Series D Preferred Stock), $0.01 par value, 100,000,000 shares authorized and 42,730,013 and 42,199,547 shares issued and outstanding at June 30, 2014 and December 31, 2013, respectively
Convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	100,000,000	100,000,000
Convertible preferred stock, issued	42,730,013	42,199,547
Convertible preferred stock, outstanding (in shares)	42,730,013	42,199,547