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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | $ 710,261 | $ 551,989
Non-Accrual | 1,926 | 7,132
Total Past Due and Non-Accrual | 3,844 | 8,262
Total Loans | 714,105 | 560,251
Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,613 | 1,029
Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 304 | 101
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1 | 0
Residential Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 234,790 | 160,683
Non-Accrual | 1,136 | 440
Total Past Due and Non-Accrual | 2,387 | 1,137
Total Loans | 237,177 | 161,820
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 986 | 646
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 264 | 51
Residential Real Estate Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1 | 0
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 318,979 | 272,125
Non-Accrual | 762 | 6,649
Total Past Due and Non-Accrual | 1,208 | 6,998
Total Loans | 320,187 | 279,123
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 445 | 310
Commercial Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1 | 39
Commercial Real Estate Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Construction Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 19,681 | 18,959
Non-Accrual | 28 | 0
Total Past Due and Non-Accrual | 28 | 28
Total Loans | 19,709 | 18,987
Construction Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due |  | 28
Construction Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Construction Real Estate Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Commercial, financial and agricultural loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 85,355 | 71,043
Non-Accrual | 0 | 43
Total Past Due and Non-Accrual | 153 | 47
Total Loans | 85,508 | 71,090
Commercial, financial and agricultural loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 143 | 4
Commercial, financial and agricultural loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 10 | 0
Commercial, financial and agricultural loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
Consumer loans to individuals [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 51,456 | 29,179
Non-Accrual | 0 | 0
Total Past Due and Non-Accrual | 68 | 52
Total Loans | 51,524 | 29,231
Consumer loans to individuals [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 39 | 41
Consumer loans to individuals [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 29 | 11
Consumer loans to individuals [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | $ 0 | $ 0

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