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Derivative Instruments and Hedging Activities - Non-hedge Derivatives (Details) - Interest Rate Swap - Derivatives not designated as hedging instruments - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Derivatives, Fair Value [Line Items]    
Notional Amount, Asset $ 64,241 $ 65,315
Notional Amount, Liability 64,241 65,315
Notional Amount 128,482 130,630
Estimated Fair Value, Asset 9,962 8,240
Estimated Fair Value, Liability $ (9,962) $ (8,240)