Allowance for Credit Losses - Loan Rating and Year of Origination (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Term Loans Amortized Cost Basis by Origination Year
Loans, gross	$ 1,742,139	$ 1,635,718
Commercial and consumer loan portfolio
Term Loans Amortized Cost Basis by Origination Year
2023	225,488
2022	287,252
2021	234,752
2020	187,479
2019	64,335
Prior	204,500
Revolving Loans Recorded Balance	68,946
Loans, gross	1,273,629
Revolving Loans Converted to Term	877
Commercial and consumer loan portfolio | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	225,426
2022	287,252
2021	229,021
2020	187,376
2019	64,259
Prior	203,065
Revolving Loans Recorded Balance	68,946
Loans, gross	1,266,069
Revolving Loans Converted to Term	724
Commercial and consumer loan portfolio | Special Mention
Term Loans Amortized Cost Basis by Origination Year
2023	62
2021	5,731
Prior	1,003
Loans, gross	6,881
Revolving Loans Converted to Term	85
Commercial and consumer loan portfolio | Substandard
Term Loans Amortized Cost Basis by Origination Year
2020	103
2019	5
Prior	165
Loans, gross	273
Commercial and consumer loan portfolio | Substandard Nonaccrual
Term Loans Amortized Cost Basis by Origination Year
2019	71
Prior	267
Loans, gross	406
Revolving Loans Converted to Term	68
Commercial real estate
Term Loans Amortized Cost Basis by Origination Year
2023	81,324
2022	125,278
2021	161,536
2020	121,365
2019	37,383
Prior	141,117
Loans, gross	668,122	592,301
Revolving Loans Converted to Term	119
Commercial real estate | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	81,324
2022	125,278
2021	155,805
2020	121,365
2019	37,383
Prior	140,158
Loans, gross	661,432
Revolving Loans Converted to Term	119
Commercial real estate | Special Mention
Term Loans Amortized Cost Basis by Origination Year
2021	5,731
Prior	959
Loans, gross	6,690
Commercial business
Term Loans Amortized Cost Basis by Origination Year
2023	18,744
2022	18,190
2021	17,219
2020	12,062
2019	14,847
Prior	15,339
Revolving Loans Recorded Balance	18,686
Loans, gross	115,348	118,605
Revolving Loans Converted to Term	261
Commercial business | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	18,682
2022	18,190
2021	17,219
2020	12,062
2019	14,847
Prior	15,339
Revolving Loans Recorded Balance	18,686
Loans, gross	115,286
Revolving Loans Converted to Term	261
Commercial business | Special Mention
Term Loans Amortized Cost Basis by Origination Year
2023	62
Loans, gross	62
Construction - commercial real estate
Term Loans Amortized Cost Basis by Origination Year
2023	29,346
2022	36,907
2020	3,515
Loans, gross	69,768	49,136
Construction - commercial real estate | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	29,346
2022	36,907
2020	3,515
Loans, gross	69,768
Land acquisition and development
Term Loans Amortized Cost Basis by Origination Year
2023	4,562
2022	4,665
2021	9,844
2020	9,993
Loans, gross	29,064	37,537
Land acquisition and development | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	4,562
2022	4,665
2021	9,844
2020	9,993
Loans, gross	29,064
Builder lines
Term Loans Amortized Cost Basis by Origination Year
2023	17,919
2022	5,124
2021	1,221
2019	404
Loans, gross	24,668	34,538
Builder lines | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	17,919
2022	5,124
2021	1,221
2019	404
Loans, gross	24,668
Construction - consumer real estate
Term Loans Amortized Cost Basis by Origination Year
2023	7,889
2022	3,240
Revolving Loans Recorded Balance	94
Loans, gross	11,223	10,539
Construction - consumer real estate | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	7,889
2022	3,240
Revolving Loans Recorded Balance	94
Loans, gross	11,223
Residential mortgage
Term Loans Amortized Cost Basis by Origination Year
2023	59,441
2022	91,086
2021	44,292
2020	40,192
2019	11,586
Prior	46,659
Loans, gross	293,256	266,267
Residential mortgage | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	59,441
2022	91,086
2021	44,292
2020	40,089
2019	11,524
Prior	46,192
Loans, gross	292,624
Residential mortgage | Special Mention
Term Loans Amortized Cost Basis by Origination Year
Prior	44
Loans, gross	44
Residential mortgage | Substandard
Term Loans Amortized Cost Basis by Origination Year
2020	103
Prior	165
Loans, gross	268
Residential mortgage | Substandard Nonaccrual
Term Loans Amortized Cost Basis by Origination Year
2019	62
Prior	258
Loans, gross	320
Equity lines
Term Loans Amortized Cost Basis by Origination Year
2021	34
2020	70
2019	5
Prior	866
Revolving Loans Recorded Balance	50,120
Loans, gross	51,592	43,300
Revolving Loans Converted to Term	497
Equity lines | Pass
Term Loans Amortized Cost Basis by Origination Year
2021	34
2020	70
Prior	857
Revolving Loans Recorded Balance	50,120
Loans, gross	51,425
Revolving Loans Converted to Term	344
Equity lines | Special Mention
Term Loans Amortized Cost Basis by Origination Year
Loans, gross	85
Revolving Loans Converted to Term	85
Equity lines | Substandard
Term Loans Amortized Cost Basis by Origination Year
2019	5
Loans, gross	5
Equity lines | Substandard Nonaccrual
Term Loans Amortized Cost Basis by Origination Year
Prior	9
Loans, gross	77
Revolving Loans Converted to Term	68
Other consumer
Term Loans Amortized Cost Basis by Origination Year
2023	6,263
2022	2,762
2021	606
2020	282
2019	110
Prior	519
Revolving Loans Recorded Balance	46
Loans, gross	10,588	$ 8,938
Other consumer | Pass
Term Loans Amortized Cost Basis by Origination Year
2023	6,263
2022	2,762
2021	606
2020	282
2019	101
Prior	519
Revolving Loans Recorded Balance	46
Loans, gross	10,579
Other consumer | Substandard Nonaccrual
Term Loans Amortized Cost Basis by Origination Year
2019	9
Loans, gross	$ 9