Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical)

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Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash dividends declared:    
Common stock, Cash dividend per share $ 0.12 $ 0.06
Series A Preferred Stock [Member]
   
Cash dividends declared:    
Preferred stock dividend per share $ 63.75 $ 63.75
Series B Preferred Stock Variable [Member]
   
Cash dividends declared:    
Preferred stock dividend per share $ 25.54