Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity Redeemable Preferred Stock (Details)

v3.20.4
Stockholders' Equity Redeemable Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]    
Preferred shares outstanding (in shares) 40,050,000 40,050,000
Preferred stock carrying value $ 977,501  
Preferred stock liquidation preference per share (in usd per share) $ 25.00  
Preferred stock par value per share (in usd per share) $ 0.01 $ 0.01
Series A Preferred Stock [Member]    
Class of Stock [Line Items]    
Preferred shares outstanding (in shares) 5,750,000  
Preferred stock carrying value $ 138,872  
Preferred stock dividend rate 8.125%  
Preferred stock dividend variable rate spread 5.66%  
Series B Preferred Stock [Member]    
Class of Stock [Line Items]    
Preferred shares outstanding (in shares) 11,500,000  
Preferred stock carrying value $ 278,094  
Preferred stock dividend rate 7.625%  
Preferred stock dividend variable rate spread 5.352%  
Series C Preferred Stock [Member]    
Class of Stock [Line Items]    
Preferred shares outstanding (in shares) 11,800,000  
Preferred stock carrying value $ 285,585  
Preferred stock dividend rate 7.25%  
Preferred stock dividend variable rate spread 5.011%  
Series D Preferred Stock [Member]    
Class of Stock [Line Items]    
Preferred shares outstanding (in shares) 3,000,000  
Preferred stock carrying value $ 74,964  
Preferred stock dividend rate 7.75%  
Series E Preferred Stock [Member]    
Class of Stock [Line Items]    
Preferred shares outstanding (in shares) 8,000,000  
Preferred stock carrying value $ 199,986  
Preferred stock dividend rate 7.50%