Consolidated Statements of Financial Position (Unaudited) (Parenthetical)	Jun. 30, 2011	Dec. 31, 2010
Class A Common Stock
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	41,651,126	41,552,328
Common stock, share outstanding	41,651,126	41,552,328
Class B Common Stock
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	1,200,000	1,200,000
Common stock, share outstanding	1,200,000	1,200,000
Class C Common Stock
Common stock, shares authorized	210,000,000	210,000,000
Common stock, shares issued	16,755,844	16,755,844
Common stock, share outstanding	16,755,844	16,755,844