Loans - Loan Portfolio by Class (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	$ 1,742,139	$ 1,635,718
90+ Days Past Due and Accruing	128
Loans on nonaccrual status	1,298	1,189
30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	17,498
60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	3,233
Loans on nonaccrual status	22
90+ Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	1,290
Loans on nonaccrual status	1,160
Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	22,021
Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	1,720,118
Loans on nonaccrual status	113
Commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	668,122	592,301
Loans on nonaccrual status	77	108
Commercial real estate | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	92
Commercial real estate | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	92
Commercial real estate | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	668,030
Commercial business
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	115,348	118,605
90+ Days Past Due and Accruing	1
Commercial business | 90+ Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	1
Commercial business | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	1
Commercial business | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	115,347
Construction - commercial real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	69,768	49,136
Construction - commercial real estate | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	69,768
Land acquisition and development
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	29,064	37,537
Land acquisition and development | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	29,064
Builder lines
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	24,668	34,538
Builder lines | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	24,668
Construction - consumer real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	11,223	10,539
Construction - consumer real estate | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	11,223
Residential mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	293,256	266,267
90+ Days Past Due and Accruing	89
Loans on nonaccrual status	320	156
Residential mortgage | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	1,643
Residential mortgage | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	387
Residential mortgage | 90+ Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	273
Residential mortgage | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	2,303
Residential mortgage | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	290,953
Equity lines
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	51,592	43,300
90+ Days Past Due and Accruing	38
Loans on nonaccrual status	9
Equity lines | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	215
Equity lines | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	103
Equity lines | 90+ Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	115
Equity lines | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	433
Equity lines | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	51,159
Other consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	10,588	8,938
Other consumer | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	3
Other consumer | 90+ Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	9
Other consumer | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	12
Other consumer | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	10,576
Consumer finance
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	468,510
Consumer finance | Automobiles
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	401,276	411,112
Loans on nonaccrual status	892	842
Consumer finance | Automobiles | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	15,263
Consumer finance | Automobiles | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	2,628
Consumer finance | Automobiles | 90+ Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	892
Consumer finance | Automobiles | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	18,783
Consumer finance | Automobiles | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	382,493
Consumer finance | Marine and recreational vehicles
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	67,234	63,445
Loans on nonaccrual status		$ 83
Consumer finance | Marine and recreational vehicles | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	282
Consumer finance | Marine and recreational vehicles | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	115
Consumer finance | Marine and recreational vehicles | Total Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	397
Consumer finance | Marine and recreational vehicles | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans, gross	$ 66,837