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Equity - Dividends (Details) - $ / shares
 12 Months Ended
Dec. 17, 2018
Sep. 18, 2018
Jun. 19, 2018
Mar. 19, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Class of Stock [Line Items]              
Common stock, dividends declared (in dollars per share)         $ 1.00 $ 1.00 $ 1.00
Common units, dividends declared (in dollars per share)         1.00 1.00 1.00
Common stock, distributions per share (in dollars per share) $ 0.25000 $ 0.25000 $ 0.25000 $ 0.25000 $ 1.00000    
Common stock, dividends         100.00%    
Common stock, percentage classified as ordinary dividends         63.01%    
Common stock, percentage classified as return of capital         36.99%    
Series A Cumulative Redeemable Preferred Units of the Operating Partnership              
Class of Stock [Line Items]              
Preferred stock, dividends declared (in dollars per share)         $ 1.5625 $ 1.5625 $ 1.5625
Oridnary Dividends              
Class of Stock [Line Items]              
Common stock, distributions per share (in dollars per share) 0.15752 0.15752 0.15752 0.15752 0.63008    
Non-Qualified Ordinary Dividends              
Class of Stock [Line Items]              
Common stock, distributions per share (in dollars per share) 0.15752 0.15752 0.15752 0.15752 0.63008    
Qualified Ordinary Dividends              
Class of Stock [Line Items]              
Common stock, distributions per share (in dollars per share) 0 0 0 0 0    
Return of Capital Dividend              
Class of Stock [Line Items]              
Common stock, distributions per share (in dollars per share) $ 0.09248 $ 0.09248 $ 0.09248 $ 0.09248 $ 0.36992