Loans - Summary of Nonaccrual Loans Segregated by Class of Loan (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	$ 16,170	$ 17,227
Nonaccrual loans without related allowance for credit loss	8,714	8,413
Recognized interest income	433	379
Residential Mortgage Loans [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	1,605	1,770
Nonaccrual loans without related allowance for credit loss	1,098	69
Recognized interest income	46	43
Residential Mortgage Loans [Member] | Residential 1-4 Family First Mortgages [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	1,605	1,770
Nonaccrual loans without related allowance for credit loss	1,098	69
Recognized interest income	46	43
Commercial Loans [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	13,664	12,317
Nonaccrual loans without related allowance for credit loss	7,553	7,137
Recognized interest income	375	325
Commercial Loans [Member] | Real Estate [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	5,950	5,053
Nonaccrual loans without related allowance for credit loss	4,247	3,058
Recognized interest income	116	109
Commercial Loans [Member] | Lines of Credit [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	1,391	924
Nonaccrual loans without related allowance for credit loss	1,355	0
Recognized interest income	72	52
Commercial Loans [Member] | Other Commercial and Industrial [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	6,323	6,340
Nonaccrual loans without related allowance for credit loss	1,951	4,079
Recognized interest income	187	164
Consumer Loans [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	901	3,140
Nonaccrual loans without related allowance for credit loss	63	1,207
Recognized interest income	12	11
Consumer Loans [Member] | Home Equity and Junior Liens [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	422	192
Nonaccrual loans without related allowance for credit loss	60	0
Recognized interest income	5	2
Consumer Loans [Member] | Other Consumer [Member]
Nonaccrual loans, Segregated by class of loans [Abstract]
Nonaccrual status loans	479	2,948
Nonaccrual loans without related allowance for credit loss	3	1,207
Recognized interest income	$ 7	$ 9