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Shareholders' Equity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended
May 27, 2020
Jun. 30, 2020
Jun. 30, 2019
Stockholders' Equity Note [Abstract]      
Proceeds from issuance of preferred stock and preference stock   $ 591,891 $ 0
Issuer's redemption option, period to redeem after a redemption event   90 days  
Preferred stock, redemption price per share   $ 1,000  
Earnings Per Share [Line Items]      
Proceeds from issuance of preferred stock and preference stock   $ 591,891 $ 0
Issuer's redemption option, period to redeem after a redemption event   90 days  
Preferred stock, redemption price per share   $ 1,000  
Rating Agency Event [Member]      
Stockholders' Equity Note [Abstract]      
Preferred stock, redemption price per share   1,020  
Earnings Per Share [Line Items]      
Preferred stock, redemption price per share   1,020  
Regulatory Capital Event [Member]      
Stockholders' Equity Note [Abstract]      
Preferred stock, redemption price per share   1,000  
Earnings Per Share [Line Items]      
Preferred stock, redemption price per share   $ 1,000  
Series A preferred stock [Member]      
Stockholders' Equity Note [Abstract]      
Preferred stock, shares issued 600    
Preferred stock, dividend rate, percentage 6.00%    
Preferred stock, liquidation preference per share $ 1,000    
Proceeds from issuance of preferred stock and preference stock $ 591,900    
Issuance of stock $ 600,000    
Preferred stock, dividend rate, reset percentage   5.662%  
Preferred stock, reset period   5 years  
Preferred stock, no par value $ 0    
Earnings Per Share [Line Items]      
Preferred stock, shares issued 600    
Preferred stock, dividend rate, percentage 6.00%    
Preferred stock, no par value $ 0    
Preferred stock, liquidation preference per share $ 1,000    
Issuance of stock $ 600,000    
Proceeds from issuance of preferred stock and preference stock $ 591,900    
Preferred stock, reset period   5 years  
Preferred stock, dividend rate, reset percentage   5.662%