Loans and Related Allowance for Credit Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 420,596	$ 400,590
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	389,728	378,875
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	20,481	10,362
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	7,772	11,209
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,615	144
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	76,364	51,785
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	71,595	46,725
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	3,770	4,080
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	459	980
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	540	0
Commercial Loan [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	16,390	16,377
Commercial Loan [Member] | Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	123,581	126,613
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	108,947	113,851
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	8,775	5,668
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	3,843	7,046
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,016	48
Construction Loan [Member] | Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	54,000	46,459
Construction Loan [Member] | Real Estate Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	44,420	44,954
Construction Loan [Member] | Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	7,625	287
Construction Loan [Member] | Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,955	1,218
Construction Loan [Member] | Real Estate Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Mortgage Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	143,136	150,538
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	141,251	148,164
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	311	327
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,515	1,951
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	59	96
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	16,390	16,377
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	16,390	16,377
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Personal Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	7,125	8,818
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	7,125	8,804
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	14
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 0	$ 0