Quarterly report pursuant to Section 13 or 15(d)

Equity and Mezzanine Equity - Dividends Paid (Detail)

v3.20.2
Equity and Mezzanine Equity - Dividends Paid (Detail) - $ / shares
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Senior Common Stock        
Dividends Payable [Line Items]        
Common Stock, dividends paid per share $ 0.2625 $ 0.2625 $ 0.7875 $ 0.7875
Series A Preferred Stock        
Dividends Payable [Line Items]        
Preferred Stock, dividends paid per share 0 0.4843749 0 1.4531247
Series B Preferred Stock        
Dividends Payable [Line Items]        
Preferred Stock, dividends paid per share 0 0.46875 0 1.4063
Series D Preferred Stock        
Dividends Payable [Line Items]        
Preferred Stock, dividends paid per share 0.4374999 0.4374999 1.3124997 1.3124997
Series E Preferred Stock        
Dividends Payable [Line Items]        
Preferred Stock, dividends paid per share 0.414063 0 1.2421890 0
Series F Preferred Stock        
Dividends Payable [Line Items]        
Preferred Stock, dividends paid per share 0.375 0 0.375 0
Common Stock        
Dividends Payable [Line Items]        
Common Stock, dividends paid per share $ 0.37545 $ 0.37500 $ 1.12635 $ 1.12500