Loans - Average Recorded Investment - Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2022
Credit Quality and Related Allowance for Loan Losses
Average Investment in Impaired Loans	$ 12,541	$ 13,099
Interest Income Recognized on an Accrual Basis on Impaired Loans	102	309
Interest Income Recognized on a Cash Basis on Impaired Loans	0	0
Commercial, financial, and agricultural
Credit Quality and Related Allowance for Loan Losses
Average Investment in Impaired Loans	711	782
Interest Income Recognized on an Accrual Basis on Impaired Loans	5	15
Interest Income Recognized on a Cash Basis on Impaired Loans	0	0
Real Estate Mortgages \| Residential
Credit Quality and Related Allowance for Loan Losses
Average Investment in Impaired Loans	4,586	4,765
Interest Income Recognized on an Accrual Basis on Impaired Loans	47	141
Interest Income Recognized on a Cash Basis on Impaired Loans	0	0
Real Estate Mortgages \| Commercial
Credit Quality and Related Allowance for Loan Losses
Average Investment in Impaired Loans	7,227	7,492
Interest Income Recognized on an Accrual Basis on Impaired Loans	50	151
Interest Income Recognized on a Cash Basis on Impaired Loans	0	0
Real Estate Mortgages \| Construction
Credit Quality and Related Allowance for Loan Losses
Average Investment in Impaired Loans	0	42
Interest Income Recognized on an Accrual Basis on Impaired Loans	0	1
Interest Income Recognized on a Cash Basis on Impaired Loans	0	0
Consumer automobile loans
Credit Quality and Related Allowance for Loan Losses
Average Investment in Impaired Loans	7	3
Interest Income Recognized on an Accrual Basis on Impaired Loans	0	1
Interest Income Recognized on a Cash Basis on Impaired Loans	0	0
Other consumer installment loans
Credit Quality and Related Allowance for Loan Losses
Average Investment in Impaired Loans	10	15
Interest Income Recognized on an Accrual Basis on Impaired Loans	0	0
Interest Income Recognized on a Cash Basis on Impaired Loans	$ 0	$ 0

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-17

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
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-Topic 310
-SubTopic 10
-Section 50
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