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Income Taxes
9 Months Ended
Sep. 30, 2013
Income Taxes [Abstract]  
Income Taxes

 

 

16.   Income Taxes

 

Our effective income tax rate for the first nine months ended September 30, 2013 and 2012 was 23.8% and -90.0%, respectively, which varied from the statutory tax rate due in large part to significant tax exempt income.