Annual report pursuant to Section 13 and 15(d)

Equity - Monthly Distributions Declared and Paid by Company's Board of Directors (Detail)

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Equity - Monthly Distributions Declared and Paid by Company's Board of Directors (Detail) - $ / shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Series A Preferred Stock    
Class of Stock [Line Items]    
Distributions per Preferred Share (in dollars per share) $ 0.181510 $ 1.593750
Series B Preferred Stock    
Class of Stock [Line Items]    
Distributions per Preferred Share (in dollars per share) 1.500000 1.500000
Series C Preferred Stock    
Class of Stock [Line Items]    
Distributions per Preferred Share (in dollars per share) 1.500000 1.125000
Series D Term Preferred Stock    
Class of Stock [Line Items]    
Distributions per Preferred Share (in dollars per share) 1.184031 0
Common Stock    
Class of Stock [Line Items]    
Distributions per Common Share (in dollars per share) $ 0.540750 $ 0.537150