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Borrowings (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Debt Instrument, Redemption [Line Items]      
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances $ 879,000    
Increase (Decrease) in Loans from Federal Home Loan Banks 788,500    
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged 3,700,000   $ 2,700,000
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds 1,800,000   1,800,000
Interest Expense, Long-Term Debt 3,300 $ 1,900  
Subordinated Debt $ 49,933   $ 49,885
Trust Preferred Securities Subject to Mandatory Redemption [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Junior Subordinated Debt [Member]      
Debt Instrument, Redemption [Line Items]      
Debt Instrument, Basis Spread on Variable Rate 5.55%    
Subordinated note due 2029 | Subordinated Debt [Member]      
Debt Instrument, Redemption [Line Items]      
Subordinated Debt $ 50,000    
Debt Instrument, Interest Rate, Stated Percentage 4.75%    
Debt Instrument, Basis Spread on Variable Rate 219.00%    
Capital Trust V Preferred Securites Due 2037 | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Junior Subordinated Debt [Member]      
Debt Instrument, Redemption [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 7.03%    
Debt Instrument, Basis Spread on Variable Rate 1.48%