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Shareholders' Equity - Preferred Stock Issued and Outstanding (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
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
Preferred stock, outstanding (in shares) 10,000,000 10,000,000
Preferred stock, aggregate liquidation preference $ 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
Preferred stock, outstanding (in shares) 300,000 300,000
Preferred stock, aggregate liquidation preference $ 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
Preferred stock, outstanding (in shares) 300,000 300,000
Preferred stock, aggregate liquidation preference $ 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%