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Subsequent Events (Details) - Class A Common Stock - Subsequent Event [Member] - $ / shares
May 12, 2017
May 02, 2017
Apr. 17, 2017
Subsequent Event [Line Items]      
Dividends Payable, Date Declared     Apr. 17, 2017
Dividends Payable, Amount Per Share     $ 0.24
Dividends Payable, Date to be Paid May 12, 2017    
Dividends Payable, Date of Record   May 02, 2017