v3.26.3
Equity - Preferred Stock (Details) - $ / shares
 9 Months Ended
Mar. 13, 2023
Sep. 30, 2026
Dec. 31, 2025
Class of Stock [Line Items]      
Preferred stock, shares authorized (in shares)   100,000,000 100,000,000
Preferred stock, par value (in usd per share)   $ 1.00 $ 1.00
Depositary Shares      
Class of Stock [Line Items]      
Shares issued and sold (in shares) 22,000,000    
Noncumulative Preferred Stock      
Class of Stock [Line Items]      
Preferred stock, shares authorized (in shares)   24,000 24,000
Preferred stock, par value (in usd per share)   $ 1.00 $ 1.00
Preferred stock, liquidation preference (in usd per share)   $ 25,000 $ 25,000
Initial dividend rate   8.00%  
Variable dividend rate   3.728%  
Noncumulative Preferred Stock | Depositary Shares      
Class of Stock [Line Items]      
Fractional interest 0.10%    
On or after March 30, 2028      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) $ 25    
On or after March 30, 2028 | Noncumulative Preferred Stock      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) 25,000    
Any time prior to March 30, 2028      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) 25.50    
Any time prior to March 30, 2028 | Noncumulative Preferred Stock      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) 25,500    
Within 90 days after the occurrence of a regulatory capital event      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) 25    
Within 90 days after the occurrence of a regulatory capital event | Noncumulative Preferred Stock      
Class of Stock [Line Items]      
Preferred stock, liquidation preference (in usd per share) $ 25,000