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Subsequent Events - Dividends (Details) - $ / shares
Oct. 29, 2023
Aug. 31, 2021
Nov. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
8.50% Series A Cumulative Redeemable Perpetual Preference Shares          
Subsequent Event [Line Items]          
Dividend Rate         8.50%
8.50% Series A Cumulative Redeemable Perpetual Preference Shares | Subsequent Event          
Subsequent Event [Line Items]          
Dividend Rate 8.50%        
Dividend Per Share (in dollars per share) $ 0.5312500        
8.00% Series B Cumulative Redeemable Perpetual Preference Shares          
Subsequent Event [Line Items]          
Dividend Rate       8.00%  
8.00% Series B Cumulative Redeemable Perpetual Preference Shares | Subsequent Event          
Subsequent Event [Line Items]          
Dividend Rate 8.00%        
Dividend Per Share (in dollars per share) $ 0.5000000        
7.375% Series C Cumulative Redeemable Perpetual Preference Shares          
Subsequent Event [Line Items]          
Dividend Rate     7.375%    
7.375% Series C Cumulative Redeemable Perpetual Preference Shares | Subsequent Event          
Subsequent Event [Line Items]          
Dividend Rate 7.375%        
Dividend Per Share (in dollars per share) $ 0.4609375        
6.875% Series D Cumulative Redeemable Perpetual Preference Shares | Subsequent Event          
Subsequent Event [Line Items]          
Dividend Rate 6.875%        
Dividend Per Share (in dollars per share) $ 0.4296875        
5.75% Series E Cumulative Redeemable Perpetual Preference Shares          
Subsequent Event [Line Items]          
Dividend Rate   5.75%      
5.75% Series E Cumulative Redeemable Perpetual Preference Shares | Subsequent Event          
Subsequent Event [Line Items]          
Dividend Rate 5.75%        
Dividend Per Share (in dollars per share) $ 0.3593750