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Loans (Recorded Investment In Financing Receivable Modified As TDR Within 12 Months) (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) contracts | Jun. 30, 2020 USD ($) contracts | Jun. 30, 2021 USD ($) contracts | Jun. 30, 2020 USD ($) contracts
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 21 | 30 | 27 | 34
Recorded Investment | $ | $ 660,000 | $ 4,613,000 | $ 1,102,000 | $ 4,660,000
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period | $ | $ 700,000 | $ 4,600,000 | $ 1,100,000 | $ 4,700,000
Commercial Financial And Agricultural [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts |  | 1 |  | 2
Recorded Investment | $ |  | $ 4,043,000 |  | $ 4,051,000
Residential Real Estate Commercial [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 | 1 | 0 | 1
Recorded Investment | $ |  | $ 16,000 |  | $ 16,000
Residential Real Estate - Mortgage [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 5 | 3 | 6 | 3
Recorded Investment | $ | $ 334,000 | $ 294,000 | $ 373,000 | $ 294,000
Residential Real Estate - HELOC [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 | 2 | 0 | 2
Recorded Investment | $ |  | $ 37,000 |  | $ 37,000
Construction Real Estate Commercial [Domain] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 0 | 0
PPP loans receivable [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 |  | 0 |
Bank Overdrafts |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 |  | 0 |
GFSC loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 |  | 0 |
Check loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 |  | 0 |
Commercial Financial Agricultural less PPP and Overdrafts |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 |  | 0 |
Consumer less GFSC and Check Loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 14 |  | 17 |
Recorded Investment | $ | $ 100,000 |  | $ 113,000 |
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 1 | 0 | 1 | 0
Recorded Investment | $ | $ 220,000 |  | $ 220,000 |
Construction Real Estate - Mortgage [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 | 1 | 0 | 1
Recorded Investment | $ | $ 0 | $ 14,000 | $ 0 | $ 14,000
Residential Real Estate - Installment [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 1 | 2 | 2 | 2
Recorded Investment | $ | $ 6,000 | $ 30,000 | $ 34,000 | $ 30,000
Consumer Loan [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts |  | 20 |  | 23
Recorded Investment | $ |  | $ 179,000 |  | $ 218,000
Finance Leases Financing Receivable [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Number of Contracts | 0 | 0 | 1 | 0
Recorded Investment | $ | $ 0 | $ 0 | $ 362,000 | $ 0
Accruing Financing Receivable Modifications [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans modified during period | $ | 44,000 | 4,200,000 | 84,000 | 4,200,000
Nonaccruing Financing Receivable Modifications [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Loans modified during period | $ | $ 600,000 | $ 400,000 | $ 1,000,000.0 | $ 500,000

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