Quarterly report pursuant to Section 13 or 15(d)

Equity and Mezzanine Equity - Summary of Preferred Stock Dividends (Details)

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Equity and Mezzanine Equity - Summary of Preferred Stock Dividends (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dividends Payable [Line Items]    
Arrears $ 31,400  
Series A Preferred    
Dividends Payable [Line Items]    
Arrears $ 13 $ 13
Per Share (in usd per share) $ 22.50 $ 22.50
Series B Preferred    
Dividends Payable [Line Items]    
Arrears $ 1,055 $ 1,055
Per Share (in usd per share) $ 0.56 $ 0.56
Series D Preferred    
Dividends Payable [Line Items]    
Arrears $ 2,111 $ 2,419
Per Share (in usd per share) $ 0.67 $ 0.67