Loans and Related Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	$ 411,764	$ 422,661
Total loans	411,764	422,661
Loans Past Due Greater than 89 Days and Accruing	179	114
Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	410,791	421,699
Loans Past Due Greater than 89 Days and Accruing	87	22
Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	973	962
Loans Past Due Greater than 89 Days and Accruing	92	92
Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	411,129	421,416
Current [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	410,292	420,642
Current [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	837	774
Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	635	1,245
Total Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	499	1,057
Total Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	136	188
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	267	408
30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	267	358
30-59 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	50
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	141	513
60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	97	467
60-89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	44	46
Greater than 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	227	324
Greater than 89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	135	232
Greater than 89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	92	92
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	59,847	73,057
Total loans	59,847	73,057
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	59,847	73,057
Loans Past Due Greater than 89 Days and Accruing	0	22
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Current [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	59,847	73,028
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Total Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	29
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	7
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	22
Commercial Loan [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	155,198	122,698
Total loans	155,198	122,698
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	154,829	122,359
Loans Past Due Greater than 89 Days and Accruing	0	0
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	369	339
Loans Past Due Greater than 89 Days and Accruing	0	0
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Current [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	154,632	122,318
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Current [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	369	293
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Total Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	197	41
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Total Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	46
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	197	0
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	46
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	41
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Construction Loan [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	40,612	61,051
Total loans	40,612	61,051
Construction Loan [Member] | Commercial Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	40,612	61,051
Loans Past Due Greater than 89 Days and Accruing	0	0
Construction Loan [Member] | Commercial Portfolio Segment [Member] | Current [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	40,612	61,051
Construction Loan [Member] | Commercial Portfolio Segment [Member] | Total Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Construction Loan [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Construction Loan [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Construction Loan [Member] | Commercial Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Mortgage Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	132,665	141,438
Total loans	132,665	141,438
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	132,061	140,815
Loans Past Due Greater than 89 Days and Accruing	87	0
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	604	623
Loans Past Due Greater than 89 Days and Accruing	92	92
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Current [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	131,759	139,842
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Current [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	468	481
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Total Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	302	973
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Total Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	136	142
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	70	351
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	50
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	97	453
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	44	0
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	135	169
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	92	92
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	18,728	18,550
Total loans	18,728	18,550
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	18,728	18,550
Loans Past Due Greater than 89 Days and Accruing	0	0
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Current [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	18,728	18,550
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Total Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Obligations of State and Political Subdivisions [Member] | Commercial Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Personal Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	4,714	5,867
Total loans	4,714	5,867
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	4,714	5,867
Loans Past Due Greater than 89 Days and Accruing	0	0
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Current [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	4,714	5,853
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Total Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	14
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	0
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	0	14
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Greater than 89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing receivables, gross	$ 0	$ 0