Loans and the Allowance for Credit Losses on Loans, Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	$ 1,918	$ 1,243
Nonaccrual with no ACLL		1,473
90 Days and still Accruing		797
Mortgage Loans on Real Estate [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	1,583	1,099
Nonaccrual with no ACLL		1,438
90 Days and still Accruing		398
Mortgage Loans on Real Estate [Member] | Residential 1-4 Family [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	145	154
Nonaccrual with no ACLL		0
90 Days and still Accruing		398
Mortgage Loans on Real Estate [Member] | Construction and Land Development [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	1,391	945
Nonaccrual with no ACLL		1,391
90 Days and still Accruing		0
Mortgage Loans on Real Estate [Member] | Equity Lines of Credit [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	47	0
Nonaccrual with no ACLL		47
90 Days and still Accruing		0
Commercial and Industrial Loans [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	335	144
Nonaccrual with no ACLL		35
90 Days and still Accruing		116
Consumer [Member] | Consumer Automobile Loans [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	0	0
Nonaccrual with no ACLL		0
90 Days and still Accruing		148
Consumer [Member] | Other Consumer Loans [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	0	0
Nonaccrual with no ACLL		0
90 Days and still Accruing		135
Other [Member]
Amortized Cost Basis of Loans on Nonaccrual Status and Loans Past Due [Abstract]
Nonaccrual	[1]	0	$ 0
Nonaccrual with no ACLL		0
90 Days and still Accruing		$ 0

[1] For purposes of this table, if a loan is past due and on nonaccrual, it is included in the nonaccrual column and not also in its respective past due column.