Condensed Consolidated Balance Sheet (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Accumulated Depreciation, Property and Equipment	$ 3,928,242	$ 3,824,136
Redeemable preferred stock, par value	$ 0.1	$ 0.1
Redeemable preferred stock, shares authorized	20,000,000	20,000,000
Redeemable preferred stock, shares issued	0	6,111,000
Redeemable preferred stock, shares outstanding	0	6,111,000
Mandatory redemption and aggregate liquidation value, redeemable preferred stock	$ 0	$ 305,550,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	600,000,000	600,000,000
Common stock, shares issued	292,928,485	284,449,372
Common stock, shares outstanding	292,928,485	284,449,372