CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Preferred stock, shares outstanding	1	1
Preferred stock, par value (in dollars per share)	$ 0.08	$ 0.08
Class A Common Stock [Member]
Common stock, shares issued (in shares)	77,185,129	77,185,129
Common stock, par value (in dollars per share)	$ 0.08	$ 0.08
Common Class B [Member]
Common stock, shares issued (in shares)
Common stock, par value (in dollars per share)	$ 0.08	$ 0.08