Loans and Related Allowance for Credit Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 6,618	$ 5,943
Current	371,888	371,100
Total loans	378,506	377,043	$ 291,489
Loans Past Due greater than 90 Days and Accruing	753	564
Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans		1,464
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,481	1,298
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	308	1,169
Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3,829	3,476
Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans		127,213
Real Estate Portfolio Segment [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans		834
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	129	92
Current	36,258	34,079
Total loans	36,387	34,171	25,250
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	57	92
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	53
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	19
Commercial Loan [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans		34,171
Commercial Loan [Member] | Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	125,123	127,213	90,427
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,266	1,479
Current	123,038	124,900
Total loans	124,304	126,379
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	819	618
Current		216
Total loans	819	834
Loans Past Due greater than 90 Days and Accruing	608	443
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	24	112
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	211
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		124
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		175
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Greater than 90 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,242	1,243
Commercial Loan [Member] | Real Estate Portfolio Segment [Member] | Greater than 90 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	608	443
Construction Loan [Member] | Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	27,483	26,672
Total loans	27,483	26,672	20,224
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total loans	160,993	164,617	137,842
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	4,059	3,468
Current	156,311	160,519
Total loans	160,370	163,987
Loans Past Due greater than 90 Days and Accruing	27
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	301	180
Current	322	450
Total loans	623	630
Loans Past Due greater than 90 Days and Accruing	118	119
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,962	1,038
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | 30-59 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	183
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	255	761
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | 60-89 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		61
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | Greater than 90 Days Past Due [Member] | Excluding Loans Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,842	1,669
Mortgage Loan [Member] | Real Estate Portfolio Segment [Member] | Greater than 90 Days Past Due [Member] | Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	118	119
Obligations of State and Political Subdivisions [Member] | Unallocated Financing Receivables [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	20,771	17,524
Total loans	20,771	17,524	13,915
Personal Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	44	106
Current	7,705	6,740
Total loans	7,749	6,846	$ 3,831
Loans Past Due greater than 90 Days and Accruing		2
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 44	56
Personal Loan [Member] | Consumer Portfolio Segment [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		48
Personal Loan [Member] | Consumer Portfolio Segment [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		$ 2