Stockholders' Equity (Authorized And Issued Shares) (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Stockholders' Equity [Abstract]
Preferred Stock, Par Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Authorized	5,000,000	5,000,000
Preferred Stock, Shares issued	0	0
Common Stock, Par Value Per Share	$ 0.01	$ 0.01
Common Stock, Authorized	400,000,000	400,000,000
Common Stock, Shares issued	295,258,674	294,861,424