Loans (TDR Number Of Contracts Modified And Recorded Investment) (Details)	3 Months Ended
	Mar. 31, 2019 USD ($) contracts	Mar. 31, 2018 USD ($) contracts
Financing Receivable, Recorded Investment [Line Items]
Additional Specific Reserves Related To Troubled Debt Restructuring	$ 0	$ 10,000
Troubled Debt Restructuring, Classification removed	$ 23,000	$ 324,000
Number of Contracts | contracts	96	74
Total Recorded Investment	$ 4,560,000	$ 1,835,000
Financing Receivable, Modifications, Subsequent Default, Recorded Investment, During Period	$ 700,000	$ 1,400,000
Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	0	0
Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	5	4
Total Recorded Investment	$ 472,000	$ 55,000
Residential Real Estate Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	0	0
Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	8	9
Total Recorded Investment	$ 564,000	$ 650,000
Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	0	0
Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	$ 189,000	$ 115,000
Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	3	2
Total Recorded Investment	$ 81,000	$ 339,000
Construction Real Estate Commercial [Domain]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	1	1
Total Recorded Investment	$ 480,000	$ 63,000
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	2	3
Total Recorded Investment	$ 2,215,000	$ 249,000
Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	8	5
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Contracts | contracts	69	50
Total Recorded Investment	$ 559,000	$ 364,000
Accruing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	652,000	429,000
Accruing [Member] | Construction Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	0
Accruing [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	54,000	0
Accruing [Member] | Construction Real Estate - Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	0
Accruing [Member] | Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	94,000	102,000
Accruing [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	0	251,000
Accruing [Member] | Construction Real Estate Commercial [Domain]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	480,000	63,000
Accruing [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	24,000	13,000
Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	3,908,000	1,406,000
Nonaccrual [Member] | Commercial Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	472,000	55,000
Nonaccrual [Member] | Residential Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	510,000	650,000
Nonaccrual [Member] | Residential Real Estate Installment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	95,000	13,000
Nonaccrual [Member] | Residential Real Estate Home Equity Line Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	81,000	88,000
Nonaccrual [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	2,215,000	249,000
Nonaccrual [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	535,000	$ 351,000
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Recorded Investment	$ 0