Loans Receivable and Allowance for Loan Losses (Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Total Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	$ 365,345	$ 350,213
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	356,761	338,939
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	3,327	1,837
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	5,257	9,437
Doubtful or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	0	0
Total Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	216,140	210,038
Performing Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	215,692	209,598
Nonperforming Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	448	440
Commercial Real Estate Loans [Member] | Total Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	289,510	279,123
Commercial Real Estate Loans [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	280,926	267,892
Commercial Real Estate Loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	3,327	1,837
Commercial Real Estate Loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	5,257	9,394
Commercial Real Estate Loans [Member] | Doubtful or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	0	0
Commercial, financial and agricultural loans [Member] | Total Summarized by Aggregate Risk Rating [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	75,835	71,090
Commercial, financial and agricultural loans [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	75,835	71,047
Commercial, financial and agricultural loans [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	0	0
Commercial, financial and agricultural loans [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	0	43
Commercial, financial and agricultural loans [Member] | Doubtful or Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	0	0
Residential Real Estate Loans [Member] | Total Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	159,872	161,820
Residential Real Estate Loans [Member] | Performing Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	159,424	161,380
Residential Real Estate Loans [Member] | Nonperforming Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	448	440
Construction Real Estate Loans [Member] | Total Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	17,764	18,987
Construction Real Estate Loans [Member] | Performing Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	17,764	18,987
Construction Real Estate Loans [Member] | Nonperforming Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	0	0
Consumer loans to individuals [Member] | Total Summarized by Performance of Individual Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	38,504	29,231
Consumer loans to individuals [Member] | Performing Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	38,504	29,231
Consumer loans to individuals [Member] | Nonperforming Financial Instruments [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Amount	$ 0	$ 0