CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2013 Preferred Class A	Dec. 31, 2013 Preferred Class B
Preferred stock, par value		$ 1,000	$ 1,000
Preferred stock, shares authorized		100,000	50,000
Preferred stock, shares issued		34,275	21,803.5
Preferred stock, shares outstanding		34,275	21,803.5
Common stock, par value (in dollars per share)	$ 0.001
Common stock, shares authorized	300,000,000
Common stock, shares issued	117,943,325
Common stock, shares outstanding	117,943,325
Treasury stock, shares	16,463,154