Shareholders' Equity (Treasury and Preferred Stock) (Details) (USD $)	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011
Stockholders' Equity Note [Abstract]
Treasury stock, shares, retired	30,000,000
Preferred stock, shares authorized		5,000,000	5,000,000
Preferred stock, par value		$ 0.01	$ 0.01
Preferred stock, shares issued		0	0
Preferred stock, shares outstanding		0