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Borrowings (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Mar. 16, 2022
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Debt Instrument [Line Items]        
Repayments of senior debt and subordinated debt     $ 0 $ 81,496
Payments for repurchase of trust preferred debt   $ 17,200    
Senior Notes | 3.60% Senior Notes        
Debt Instrument [Line Items]        
Repayments of senior debt and subordinated debt $ 65,000      
Debt instrument, interest rate (as a percent) 3.60%