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Related Party Transactions (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 14, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Related Party Transaction        
Amount of loans removed due to changes in related parties   $ 7.5    
Shares Acquired, Average Cost Per Share $ 32.14      
Payments for Repurchase of Common Stock $ 32.1 34.0 $ 199.0 $ 5.4
Executive Officers, Directors, Shareholders Greater than Five Percent, and Related Entities and Individuals to Such Persons [Member]        
Related Party Transaction        
Loans and leases receivable, related parties   11.1 $ 18.9  
New loans and advances on existing loans   5.8    
Loan repayments   $ 6.1    
Class A Common Stock        
Related Party Transaction        
Shares Acquired 1,000,000,000,000