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 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dividends Payable [Line Items]        
Arrears     $ 27,070  
Series A Preferred        
Dividends Payable [Line Items]        
Arrears $ 13 $ 13 $ 39 $ 39
Per Share (in usd per share) $ 22.50 $ 22.50 $ 67.50 $ 67.50
Series B Preferred        
Dividends Payable [Line Items]        
Arrears $ 1,056 $ 1,056 $ 3,166 $ 3,166
Per Share (in usd per share) $ 0.56 $ 0.56 $ 1.69 $ 1.69
Series D Preferred        
Dividends Payable [Line Items]        
Arrears $ 2,372 $ 2,419 $ 7,210 $ 7,257
Per Share (in usd per share) $ 0.67 $ 0.67 $ 2.01 $ 2.01