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Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
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Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | $ 10,463 | $ 12,948
Nonaccrual Loans with an Allowance | 18,206 | 21,748
Total Nonaccrual Loans | 28,669 | 34,696
Commercial, financial, and agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 3,912 | 3,947
Nonaccrual Loans with an Allowance | 7,446 | 8,205
Total Nonaccrual Loans | 11,358 | 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 | 877 | 495
Nonaccrual Loans with an Allowance | 120 | 137
Total Nonaccrual Loans | 997 | 632
Real estate, commercial | Real estate – mortgage – commercial and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 5,517 | 7,648
Nonaccrual Loans with an Allowance | 5,992 | 8,583
Total Nonaccrual Loans | 11,509 | 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 | 3,203 | 4,040
Total Nonaccrual Loans | 3,360 | 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 | 1,340 | 694
Total Nonaccrual Loans | 1,340 | 694
Consumer loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 105 | 89
Total Nonaccrual Loans | $ 105 | $ 89

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