Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Modifications (Details) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($)
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	$ 156
Payment Deferral \| Commercial, financial, and agricultural
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	156
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	2,055
Term Extension \| Commercial, financial, and agricultural
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	$ 1,442
Percentage of loan modifications to total loans	0.20%
Term Extension \| Real estate, commercial \| Real estate – construction, land development & other land loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	$ 130
Term Extension \| Real estate, mortgage \| Real estate mortgage – residential (1-4 family) first mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	48
Term Extension \| Real estate, mortgage \| Real estate mortgage – home equity loans / lines of credit
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	103
Term Extension \| Real estate, mortgage \| Real estate mortgage – commercial and other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	104
Term Extension \| Consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	$ 228
Percentage of loan modifications to total loans	0.30%
Combination - Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	$ 14
Combination - Interest Rate Reduction and Term Extension \| Real estate, commercial \| Real estate – construction, land development & other land loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortization cost basis	$ 14

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- Definition

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+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-42

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

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