Statement of Financial Position (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Common Stock, Par Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	400,000,000	200,000,000
Common Stock, Shares, Issued	112,177,627	111,814,852
Common Stock, Shares, Outstanding	112,177,627	111,814,852