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Derivative And Hedging Activities - Summary of Cumulative Basis Adjustment for Fair Value Hedges (Details) - Fair Value Hedges - USD ($)
Sep. 30, 2023
Dec. 31, 2022
Derivatives, Fair Value [Line Items]    
Carrying Amount of Hedged Assets/(Liabilities) $ 493,618,000 $ 0
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets/(liabilities) 6,382,000  
Fixed Rate Assets    
Derivatives, Fair Value [Line Items]    
Carrying Amount of Hedged Assets/(Liabilities) 493,618,000  
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets/(liabilities) $ 6,382,000