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Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | $ 4,095 | $ 9,022
Nonaccrual Loans with an Allowance | 23,964 | 19,492
Total Nonaccrual Loans | 28,059 | 28,514
Commercial, financial, and agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 36 | 3,855
Nonaccrual Loans with an Allowance | 10,752 | 6,374
Total Nonaccrual Loans | 10,788 | 10,229
Real estate, commercial | Real estate – construction, land development & other land loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 123 | 1,009
Total Nonaccrual Loans | 123 | 1,009
Real estate, commercial | Real estate mortgage – commercial and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 4,059 | 5,010
Nonaccrual Loans with an Allowance | 8,096 | 7,495
Total Nonaccrual Loans | 12,155 | 12,505
Real estate, mortgage | Real estate mortgage – residential (1-4 family) first mortgages |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 157
Nonaccrual Loans with an Allowance | 3,026 | 3,132
Total Nonaccrual Loans | 3,026 | 3,289
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 | 1,781 | 1,397
Total Nonaccrual Loans | 1,781 | 1,397
Consumer loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Nonaccrual Loans with No Allowance | 0 | 0
Nonaccrual Loans with an Allowance | 186 | 85
Total Nonaccrual Loans | $ 186 | $ 85

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