XML 86 R68.htm IDEA: XBRL DOCUMENT v3.8.0.1
Shareholders' Equity / Partners' Capital - Distributions (Details) - $ / shares
 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 03, 2017
Jun. 30, 2016
Jun. 30, 2014
Dec. 31, 2013
Mar. 31, 2014
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Series C Convertible Units                
Class of Stock [Line Items]                
Dividend payable per share (in dollars per share)             $ 0.06517 $ 0.60452
Class A common shares/units                
Class of Stock [Line Items]                
Dividend payable per share (in dollars per share)           $ 0.2 0.2 0.2
Class B common shares                
Class of Stock [Line Items]                
Dividend payable per share (in dollars per share)           0.20 0.20 0.20
Series A Participating Preferred Stock                
Class of Stock [Line Items]                
Dividend payable per share (in dollars per share)           $ 0.94 $ 1.25 $ 1.25
Preferred Shares dividend rate 5.00%     5.00%   5.00% 5.00% 5.00%
Series B Participating Preferred Stock                
Class of Stock [Line Items]                
Dividend payable per share (in dollars per share)           $ 0.94 $ 1.25 $ 1.25
Preferred Shares dividend rate 5.00%       5.00% 5.00% 5.00% 5.00%
Series C Participating Preferred Stock                
Class of Stock [Line Items]                
Dividend payable per share (in dollars per share)           $ 1.38 $ 1.375 $ 1.375
Preferred Shares dividend rate     5.50%     5.50% 5.50% 5.50%
Series D Perpetual Preferred Shares/Units                
Class of Stock [Line Items]                
Preferred Shares dividend rate   6.50%       6.50%    
Preferred stock, dividends per share, declared (in dollars per share)           $ 1.63 $ 0.98403  
Series E Perpetual Preferred Stock                
Class of Stock [Line Items]                
Preferred Shares dividend rate           6.35%    
Preferred stock, dividends per share, declared (in dollars per share)           $ 1.59 0.80257  
Series F Perpetual Preferred Stock                
Class of Stock [Line Items]                
Preferred Shares dividend rate           5.875%    
Preferred stock, dividends per share, declared (in dollars per share)           $ 1.01    
Series G Perpetual Preferred Stock                
Class of Stock [Line Items]                
Preferred Shares dividend rate           5.875%    
Preferred stock, dividends per share, declared (in dollars per share)           $ 0.67    
Series D Convertible Units                
Class of Stock [Line Items]                
Dividend payable per share (in dollars per share)             $ 0.11