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Shareholders' Equity - Preferred Stock Issued and Outstanding (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 10 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2022
Dec. 31, 2021
Dec. 31, 2021
Class of Stock [Line Items]        
Preferred stock, issued (in shares)   10,600,000    
Preferred stock, outstanding (in shares)   10,600,000    
Preferred stock, aggregate liquidation preference   $ 850,000    
Series A Preferred Stock        
Class of Stock [Line Items]        
Preferred stock, issued (in shares) 10,000,000 10,000,000 10,000,000 10,000,000
Preferred stock, outstanding (in shares) 10,000,000 10,000,000 10,000,000 10,000,000
Preferred stock, aggregate liquidation preference $ 250,000 $ 250,000 $ 250,000 $ 250,000
Preferred stock, dividend rate   6.15%   6.15%
Series A Preferred Stock | LIBOR        
Class of Stock [Line Items]        
Preferred stock, dividend rate, basis spread   3.65%    
Series B Preferred Stock        
Class of Stock [Line Items]        
Preferred stock, issued (in shares) 300,000 300,000 300,000 300,000
Preferred stock, outstanding (in shares) 300,000 300,000 300,000 300,000
Preferred stock, aggregate liquidation preference $ 300,000 $ 300,000 $ 300,000 $ 300,000
Preferred stock, dividend rate   4.65% 4.65%  
Series B Preferred Stock | US Treasury (UST) Interest Rate        
Class of Stock [Line Items]        
Preferred stock, dividend rate, basis spread   4.076%    
Series C Preferred Stock        
Class of Stock [Line Items]        
Preferred stock, issued (in shares) 300,000 300,000 300,000 300,000
Preferred stock, outstanding (in shares) 300,000 300,000 300,000 300,000
Preferred stock, aggregate liquidation preference $ 300,000 $ 300,000 $ 300,000 $ 300,000
Preferred stock, dividend rate 4.125% 4.125%    
Series C Preferred Stock | US Treasury (UST) Interest Rate        
Class of Stock [Line Items]        
Preferred stock, dividend rate, basis spread   3.149%