Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.21.1
Subsequent Events (Details) - USD ($)
 3 Months Ended 12 Months Ended
Apr. 28, 2021
Feb. 01, 2021
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Subsequent Event [Line Items]          
Dividends declared per share (in dollars per share)     $ 0.050 $ 0.750  
Capital stock non-convertible, par value (in dollars per share)     $ 0.001   $ 0.001
7.375% Series A Cumulative Redeemable Preferred Stock          
Subsequent Event [Line Items]          
Preferred stock interest rate     7.375%   7.375%
Series C Preferred Stock          
Subsequent Event [Line Items]          
Preferred stock interest rate   9.00%      
Series B Preferred Stock          
Subsequent Event [Line Items]          
Preferred stock interest rate   4.00% 4.00%    
Subsequent Event          
Subsequent Event [Line Items]          
Dividends declared per share (in dollars per share) $ 0.05        
Subsequent Event | 7.375% Series A Cumulative Redeemable Preferred Stock          
Subsequent Event [Line Items]          
Preferred stock interest rate 7.375%        
Subsequent Event | Series C Preferred Stock          
Subsequent Event [Line Items]          
Depositary stock, dividends declared per share (in dollars per share) $ 0.5625        
Subsequent Event | Class A-1 Units          
Subsequent Event [Line Items]          
Depositary stock, dividends declared per share (in dollars per share) 0.5625        
Subsequent Event | Series B Preferred Stock          
Subsequent Event [Line Items]          
Depositary stock, dividends declared per share (in dollars per share) 0.25        
Subsequent Event | Class A-2 Units          
Subsequent Event [Line Items]          
Depositary stock, dividends declared per share (in dollars per share) $ 0.25        
In-kind distribution (in shares) $ 24,360        
Capital stock non-convertible, par value (in dollars per share) $ 25.00        
Subsequent Event | Depositary Shares | 7.375% Series A Cumulative Redeemable Preferred Stock          
Subsequent Event [Line Items]          
Depositary stock, dividends declared per share (in dollars per share) $ 0.4609375