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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Consolidated Statements of Changes in Shareholders' Equity [Abstract]    
Preferred Stock, Dividend Rate, Percentage 5.00% 5.00%
Common Stock, Dividends, Per Share, Cash Paid $ 0.01