Loans - Additional Information (Details)	9 Months Ended
	Sep. 30, 2024 USD ($) Loan Segment	Dec. 31, 2023 USD ($) Loan	Sep. 30, 2023 USD ($)
Accounts Notes And Loans Receivable [Line Items]
Loans receivables Ending balance	$ 904,386,000	$ 881,232,000
ACL related to pools	$ 4,200,000	$ 2,100,000
Number of portfolio segment | Segment	3
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net, Total	$ 729,000
Receivables From Unpaid Loan	347,000
Borrowings From Loan	124,000,000
Due From Borrowings	$ 223,000
Residential Mortgage Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Number of non-performing loans | Loan	80	150
Non-performing loans outstanding	$ 16,200,000	$ 17,200,000
Percentage of non-performing loans	1.80%
Additional non-accrual commercial loan	$ 1,000,000
Increase (Decrease) in Mortgage Loans	(200,000)
Commercial Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans receivables Ending balance			$ 896,476,000
Increase (Decrease) in Mortgage Loans	1,300,000
Consumer Loan [Member]
Accounts Notes And Loans Receivable [Line Items]
Charge Off on Loan Pool	2,500,000
Asset Pledged as Collateral [Member] | Residential Mortgage Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Loans receivables Ending balance	$ 116,000,000	$ 113,600,000