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Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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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

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