Loans and Allowance for Loan Losses - Credit Quality (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	$ 1,427,828	$ 1,302,133
Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	68,379	69,056
Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	11,507	12,012
Performing TDRs
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	1,666	1,795
Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	17,648	25,459
Loans In Risk Categories
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	99,200	108,322
Commercial, Financial, & Agricultural
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	242,701	217,214
Commercial, Financial, & Agricultural | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	8,604	9,219
Commercial, Financial, & Agricultural | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	6,244	6,284
Commercial, Financial, & Agricultural | Performing TDRs
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	182	188
Commercial, Financial, & Agricultural | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	131	153
Commercial, Financial, & Agricultural | Loans In Risk Categories
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	15,161	15,844
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Construction
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	23,629	27,920
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Construction | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Construction | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Construction | Performing TDRs
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Construction | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Construction | Loans In Risk Categories
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Mortgage
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	312,086	279,346
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Mortgage | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	8,326	12,185
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Mortgage | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	524	750
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Mortgage | Performing TDRs
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	1,154	1,262
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Mortgage | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	1,129	1,129
Real Estate Construction - Residential & Real Estate Mortgage - Residential | Mortgage | Loans In Risk Categories
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	11,133	15,326
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Construction
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	119,079	91,369
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Construction | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	2,837	4,304
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Construction | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	2,673	2,673
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Construction | Performing TDRs
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Construction | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	96	105
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Construction | Loans In Risk Categories
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	5,606	7,082
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Mortgage
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	706,700	663,256
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Mortgage | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	48,612	43,348
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Mortgage | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	2,066	2,305
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Mortgage | Performing TDRs
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	316	328
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Mortgage | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	16,097	24,029
Real Estate Construction - Commercial & Real Estate Mortgage - Commercial | Mortgage | Loans In Risk Categories
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	67,091	70,010
Installment and Other Consumer
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	23,633	23,028
Installment and Other Consumer | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Installment and Other Consumer | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	0	0
Installment and Other Consumer | Performing TDRs
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	14	17
Installment and Other Consumer | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	195	43
Installment and Other Consumer | Loans In Risk Categories
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Financing receivable	$ 209	$ 60