Derivative And Hedging Activities - Additional Information (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Estimated amount will be reclassified out of AOCI and AOCL into earnings	$ 395,000
Fair value of derivative liability	59,305,000	$ 50,827,000
Available for sale securities, amortized cost	167,903,000	182,027,000
Fair Value Hedges
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets/(liabilities)	6,382,000
Carrying Amount of Hedged Assets/(Liabilities)	$ 493,618,000	0
Weighted average remaining maturity	1 year 6 months 10 days
Weighted average fixed interest rate	4.16%
Fair Value Hedges | Fixed Rate Assets [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets/(liabilities)	$ 6,382,000
Available for sale securities, amortized cost	689,100,000
Carrying Amount of Hedged Assets/(Liabilities)	493,618,000
Derivatives Designated as Hedging Instruments
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Notional amount	500,000,000
Accrued Interest
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Fair value of derivative liability	$ 0	$ 0