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Subsequent Events (Details) - $ / shares
Nov. 14, 2016
Oct. 31, 2016
Oct. 21, 2016
Jul. 24, 2015
Class A Common Stock | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Dividends Payable, Date Declared     Oct. 21, 2016  
Dividends Payable, Amount Per Share $ 0.22      
Dividends Payable, Date to be Paid Nov. 14, 2016      
Dividends Payable, Date of Record   Oct. 31, 2016    
United Bank        
Subsequent Event [Line Items]        
Business Acquisition, Effective Date of Acquisition       Jul. 24, 2015