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Borrowings - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Repurchase agreements $ 945,916 $ 1,020,794
Debt securities, available-for-sale 5,307,307 9,170,849
Lines of credit 705,000  
Borrowings from FHLB $ 1,800,000 0
Borrowings from FHLB, weighted rate 4.54%  
Borrowings with related parties $ 10,251 10,251
Federal Home Loan Bank Advances    
Debt Instrument [Line Items]    
Term 1 year  
Asset Pledged as Collateral | Repurchase agreements    
Debt Instrument [Line Items]    
Debt securities, available-for-sale $ 1,378,962 $ 1,233,885