Condensed Consolidated Statements Of Shareholders' Equity (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Dividends declared on common stock (in dollars per share)	$ 0.40	$ 0.25
Series A Preferred Stock [Member]
Dividends declared on preferred stock (in dollars per share)	$ 63.75	$ 63.75
Series E Preferred Stock [Member]
Dividends declared on preferred stock (in dollars per share)	$ 1,248.89