Consolidated Balance Sheets Parentheticals (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Equity: [Abstract]
Common stock, par value per share	$ 0.01	$ 0.01
Class B common stock, shares authorized	200,000,000	200,000,000
Class B common stock, shares, issued	7,810,708	7,810,708
Class B common stock, shares, outstanding	7,810,708	7,810,708