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 $)
In Thousands, except Per Share data
 9 Months Ended 12 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Dec. 31, 2009
Tax effect on cumulative effect of change in accounting principle for consolidation of variable interest entities     $ 3,980
Cash dividends declared:      
Common stock, Cash dividend per share $ 0.06 $ 0.03  
Series B Preferred Stock [Member]
      
Cash dividends declared:      
Preferred stock dividend per share   $ 37.50  
Series A Preferred Stock [Member]
      
Cash dividends declared:      
Preferred stock dividend per share $ 63.75 $ 63.75