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Other Borrowing Arrangements - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Short-term Debt [Line Items]    
Short-term borrowings $ 328,169 $ 106,937
Short-term Debt, Excluding Repurchase Agreements [Member]    
Short-term Debt [Line Items]    
Short-term borrowings 219,000 0
Federal Home Loan Bank Advances [Member]    
Short-term Debt [Line Items]    
First mortgage loans under a blanket lien arrangement collateralized 1,300,000  
Maximum borrowing capacity 922,100  
Remaining borrowing capacity 661,000  
Short-term borrowings 94,000 0
Federal Reserve Bank Advances [Member]    
Short-term Debt [Line Items]    
First mortgage loans under a blanket lien arrangement collateralized 52,100  
Maximum borrowing capacity 42,300  
Short-term borrowings 0 0
Unsecured Debt [Member] | Unsecured Lines of Credit, Correspondent Banks [Member] | Line of Credit [Member]    
Short-term Debt [Line Items]    
Maximum borrowing capacity 362,000 305,000
Short-term borrowings $ 125,000 $ 0