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Other Borrowings - Textual (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Line of Credit Facility [Line Items]    
Credit facility with the FHLB $ 1,420,000,000  
Advances outstanding 0 $ 0
Borrowings 500,000,000 0
Related Party    
Line of Credit Facility [Line Items]    
Other liabilities 0 0
FRB    
Line of Credit Facility [Line Items]    
Borrowings $ 500,000,000 0
Average rate on borrowings 4740.00%  
Federal Funds Purchased    
Line of Credit Facility [Line Items]    
Borrowings $ 0 $ 0
FRB    
Line of Credit Facility [Line Items]    
Credit facility, maximum borrowing capacity 819,500,000  
Federal Funds Purchased    
Line of Credit Facility [Line Items]    
Credit facility, maximum borrowing capacity $ 145,000,000  
Minimum    
Line of Credit Facility [Line Items]    
Unencumbered collateral in amount equal to varying percentages 100.00%  
Maximum    
Line of Credit Facility [Line Items]    
Unencumbered collateral in amount equal to varying percentages 160.00%