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Off-Balance-Sheet Arrangements, Commitments and Contingencies (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments with off-balance-sheet risk, at fair value $ 1,177,289 $ 1,323,617
Commitments to extend credit    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments with off-balance-sheet risk, at fair value 1,160,638 1,296,773
Standby letters of credit    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Financial instruments with off-balance-sheet risk, at fair value $ 16,651 $ 26,844