CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Series A Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]	Mar. 31, 2013 Series B Preferred Stock [Member]	Dec. 31, 2012 Series B Preferred Stock [Member]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	240,000,000	240,000,000
Common stock, issued	154,322,183	179,167,112
Common stock, outstanding	154,322,183	179,167,112
Preferred Stock, par value			$ 0.01	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, shares authorized			545,454	545,454	283,018	283,018
Preferred Stock shares issued			545,454	545,454	283,018	283,018
Preferred stock, outstanding			545,454	545,454	283,018	283,018
Liquidation Preferences			$ 11.00	$ 11.00	$ 10.60	$ 10.60