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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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) contract | Jun. 30, 2020 USD ($) contract | Jun. 30, 2021 USD ($) contract | Jun. 30, 2020 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 8 | 3 | 10 | 5
Pre- Modification Restructured Balances | $ 2,655 | $ 142 | $ 2,926 | $ 285
Post- Modification Restructured Balances | $ 2,655 | $ 145 | $ 2,923 | $ 288
Commercial, financial, and agricultural | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 0 | 0 | 0 | 2
Pre- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 143
Post- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 143
Commercial, financial, and agricultural | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 2 | 0 | 3 | 0
Pre- Modification Restructured Balances | $ 715 | $ 0 | $ 826 | $ 0
Post- Modification Restructured Balances | $ 715 | $ 0 | $ 823 | $ 0
Real estate, commercial | Real estate – construction, land development & other land loans | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 0 | 1 | 0 | 1
Pre- Modification Restructured Balances | $ 0 | $ 67 | $ 0 | $ 67
Post- Modification Restructured Balances | $ 0 | $ 67 | $ 0 | $ 67
Real estate, commercial | Real estate – construction, land development & other land loans | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 1 | 0 | 1 | 0
Pre- Modification Restructured Balances | $ 75 | $ 0 | $ 75 | $ 0
Post- Modification Restructured Balances | $ 75 | $ 0 | $ 75 | $ 0
Real estate, commercial | Real estate – mortgage – commercial and other | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 0 | 0 | 1 | 0
Pre- Modification Restructured Balances | $ 0 | $ 0 | $ 160 | $ 0
Post- Modification Restructured Balances | $ 0 | $ 0 | $ 160 | $ 0
Real estate, commercial | Real estate – mortgage – commercial and other | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 3 | 0 | 3 | 0
Pre- Modification Restructured Balances | $ 1,569 | $ 0 | $ 1,569 | $ 0
Post- Modification Restructured Balances | $ 1,569 | $ 0 | $ 1,569 | $ 0
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 | 2 | 1 | 2
Pre- Modification Restructured Balances | $ 33 | $ 75 | $ 33 | $ 75
Post- Modification Restructured Balances | $ 33 | $ 78 | $ 33 | $ 78
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 | 0 | 1 | 0
Pre- Modification Restructured Balances | $ 263 | $ 0 | $ 263 | $ 0
Post- Modification Restructured Balances | $ 263 | $ 0 | $ 263 | $ 0
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 | 0 | 0 | 0 | 0
Pre- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 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 | 0 | 0
Pre- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 0
Consumer loans | TDRs – Accruing |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 0 | 0 | 0 | 0
Pre- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 0
Consumer loans | TDRs – Nonaccrual |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Contracts | contract | 0 | 0 | 0 | 0
Pre- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 0
Post- Modification Restructured Balances | $ 0 | $ 0 | $ 0 | $ 0

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