Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Information of Loans Modified in Troubled Debt Restructuring (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($) contract	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	12	12	12
Pre- Modification Restructured Balances	$ 1,137	$ 3,538	$ 6,338
Post- Modification Restructured Balances	$ 1,140	$ 3,535	$ 6,341
Commercial, financial, and agricultural \| TDRs – Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	2		2
Pre- Modification Restructured Balances	$ 143		$ 143
Post- Modification Restructured Balances	$ 143		$ 143
Commercial, financial, and agricultural \| TDRs – Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	5	5	1
Pre- Modification Restructured Balances	$ 744	$ 1,438	$ 72
Post- Modification Restructured Balances	$ 744	$ 1,435	$ 72
Real estate, commercial \| Real estate – construction, land development & other land loans \| TDRs – Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	1		1
Pre- Modification Restructured Balances	$ 67		$ 67
Post- Modification Restructured Balances	$ 67		$ 67
Real estate, commercial \| Real estate – construction, land development & other land loans \| TDRs – Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract		1
Pre- Modification Restructured Balances		$ 75
Post- Modification Restructured Balances		$ 75
Real estate, commercial \| Real estate mortgage – commercial and other \| TDRs – Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	1	4	5
Pre- Modification Restructured Balances	$ 72	$ 1,729	$ 5,977
Post- Modification Restructured Balances	$ 72	$ 1,729	$ 5,977
Real estate, mortgage \| Real estate mortgage – residential (1-4 family) first mortgages \| TDRs – Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	2	1	2
Pre- Modification Restructured Balances	$ 75	$ 33	$ 75
Post- Modification Restructured Balances	$ 78	$ 33	$ 78
Real estate, mortgage \| Real estate mortgage – residential (1-4 family) first mortgages \| TDRs – Nonaccrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	1	1
Pre- Modification Restructured Balances	$ 36	$ 263
Post- Modification Restructured Balances	$ 36	$ 263
Consumer loans \| TDRs – Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract			1
Pre- Modification Restructured Balances			$ 4
Post- Modification Restructured Balances			$ 4

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

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