Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual Loans with No Allowance	$ 9,022	$ 12,948
Nonaccrual Loans with an Allowance	19,492	21,748
Nonaccrual loans	28,514	34,696
Commercial, financial, and agricultural
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual Loans with No Allowance	3,855	3,947
Nonaccrual Loans with an Allowance	6,374	8,205
Nonaccrual loans	10,229	12,152
Real estate, commercial \| Real estate – construction, land development & other land loans
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual Loans with No Allowance	0	495
Nonaccrual Loans with an Allowance	1,009	137
Nonaccrual loans	1,009	632
Real estate, commercial \| Real estate mortgage – commercial and other
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual Loans with No Allowance	5,010	7,648
Nonaccrual Loans with an Allowance	7,495	8,583
Nonaccrual loans	12,505	16,231
Real estate, mortgage \| Real estate mortgage – residential (1-4 family) first mortgages
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual Loans with No Allowance	157	858
Nonaccrual Loans with an Allowance	3,132	4,040
Nonaccrual loans	3,289	4,898
Real estate, mortgage \| Real estate mortgage – home equity loans/lines of credit
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual Loans with No Allowance	0	0
Nonaccrual Loans with an Allowance	1,397	694
Nonaccrual loans	1,397	694
Consumer loans
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual Loans with No Allowance	0	0
Nonaccrual Loans with an Allowance	85	89
Nonaccrual loans	$ 85	$ 89

Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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- Definition

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+ References

No definition available.

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