Stockholders' Equity (Authorized, Issued and Outstanding Shares) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Stockholders' Equity Note [Abstract]
Preferred Stock, Par Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	400,000,000	400,000,000
Common Stock, Shares Issued	296,564,382	295,258,674
Common Stock, Shares Outstanding	296,564,382	295,258,674