Loans and Asset Quality Information (Schedule of Information of Loans Modified in Troubled Debt Restructuring) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) contract	Mar. 31, 2019 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	2	2
Pre- Modification Restructured Balances	$ 143	$ 254
Post- Modification Restructured Balances	$ 143	$ 258
Commercial, financial, and agricultural \| TDRs – Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	2	0
Pre- Modification Restructured Balances	$ 143	$ 0
Post- Modification Restructured Balances	$ 143	$ 0
Commercial, financial, and agricultural \| 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
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	0
Pre- Modification Restructured Balances	$ 0	$ 0
Post- Modification Restructured Balances	$ 0	$ 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	0
Pre- Modification Restructured Balances	$ 0	$ 0
Post- Modification Restructured Balances	$ 0	$ 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
Pre- Modification Restructured Balances	$ 0	$ 0
Post- Modification Restructured Balances	$ 0	$ 0
Real estate, commercial \| Real estate – mortgage – commercial and other \| 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
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	0	2
Pre- Modification Restructured Balances	$ 0	$ 254
Post- Modification Restructured Balances	$ 0	$ 258
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	0	0
Pre- Modification Restructured Balances	$ 0	$ 0
Post- Modification Restructured Balances	$ 0	$ 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
Pre- Modification Restructured Balances	$ 0	$ 0
Post- Modification Restructured Balances	$ 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
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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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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