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Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Information of Loans Modified in Troubled Debt Restructuring (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 USD ($) contract | Sep. 30, 2021 USD ($) contract | Sep. 30, 2022 USD ($) contract loan | Sep. 30, 2021 USD ($) contract loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | 2 | 0 | 13 | 10
Pre- Modification Restructured Balances | $ 503 | $ 0 | $ 2,154 | $ 2,926
Post- Modification Restructured Balances | $ 503 | $ 0 | $ 2,154 | $ 2,923
Commercial, financial, and agricultural | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 1 | 0
Pre- Modification Restructured Balances |  |  | $ 161 | $ 0
Post- Modification Restructured Balances |  |  | $ 161 | $ 0
Commercial, financial, and agricultural | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 1 | 0 | 4 | 3
Pre- Modification Restructured Balances | $ 327 | $ 0 | $ 627 | $ 826
Post- Modification Restructured Balances | $ 327 | $ 0 | $ 627 | $ 823
Real estate, commercial | Real estate – construction, land development & other land loans | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 1 | 0
Pre- Modification Restructured Balances |  |  | $ 131 | $ 0
Post- Modification Restructured Balances |  |  | $ 131 | $ 0
Real estate, commercial | Real estate – construction, land development & other land loans | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 0 | 1
Pre- Modification Restructured Balances |  |  | $ 0 | $ 75
Post- Modification Restructured Balances |  |  | $ 0 | $ 75
Real estate, commercial | Real estate – mortgage – commercial and other | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 0 | 1
Pre- Modification Restructured Balances |  |  | $ 0 | $ 160
Post- Modification Restructured Balances |  |  | $ 0 | $ 160
Real estate, commercial | Real estate – mortgage – commercial and other | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 2 | 3
Pre- Modification Restructured Balances |  |  | $ 784 | $ 1,569
Post- Modification Restructured Balances |  |  | $ 784 | $ 1,569
Real estate, mortgage | Real estate – mortgage – residential (1-4 family) first mortgages | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 1 | 1
Pre- Modification Restructured Balances |  |  | $ 36 | $ 33
Post- Modification Restructured Balances |  |  | $ 36 | $ 33
Real estate, mortgage | Real estate – mortgage – residential (1-4 family) first mortgages | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 1 | 1
Pre- Modification Restructured Balances |  |  | $ 36 | $ 263
Post- Modification Restructured Balances |  |  | $ 36 | $ 263
Real estate, mortgage | Real estate – mortgage – home equity loans / lines of credit | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 1 | 0 | 3 | 0
Pre- Modification Restructured Balances | $ 176 | $ 0 | $ 379 | $ 0
Post- Modification Restructured Balances | $ 176 | $ 0 | $ 379 | $ 0
Real estate, mortgage | Real estate – mortgage – home equity loans / lines of credit | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 0 | 0
Pre- Modification Restructured Balances |  |  | $ 0 | $ 0
Post- Modification Restructured Balances |  |  | $ 0 | $ 0
Consumer loans | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 0 | 0
Pre- Modification Restructured Balances |  |  | $ 0 | $ 0
Post- Modification Restructured Balances |  |  | $ 0 | $ 0
Consumer loans | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract |  |  | 0 | 0
Pre- Modification Restructured Balances |  |  | $ 0 | $ 0
Post- Modification Restructured Balances |  |  | $ 0 | $ 0

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