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Subsequent Events (Details)
2 Months Ended 3 Months Ended
Jan. 02, 2019
Feb. 28, 2019
$ / shares
Mar. 25, 2019
Dec. 31, 2018
shares
Subsequent Event [Member] | Common Shares [Member]        
Subsequent Event [Line Items]        
Common Shares Conversion Features all outstanding Class B common shares converted one - for - one to Class A common shares      
Installment 1 - FY 2019 [Member] | Subsequent Event [Member] | Series B Preferred Shares [Member]        
Subsequent Event [Line Items]        
Dividends Payable, Amount Per Share | $ / shares   $ 0.546875    
Dividends Payable, Date Declared   Feb. 28, 2019    
Reverse Stock Split [Member] | Subsequent Event [Member] | Common Shares [Member]        
Subsequent Event [Line Items]        
Shareholders' Equity Note, Reverse Stock Split, Conversion Ratio     8  
Before Reverse Stock Split [Member] | Common Shares [Member]        
Subsequent Event [Line Items]        
Common shares, shares issued       79,543,921
Common shares, shares outstanding       79,543,921
After Reverse Stock Split [Member] | Common Shares [Member]        
Subsequent Event [Line Items]        
Common shares, shares issued       9,942,950
Common shares, shares outstanding       9,942,950