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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | $ 716,279 | $ 710,261
Non-Accrual | 2,112 | 1,926
Total Past Due and Non-Accrual | 3,370 | 3,844
Total Loans | 719,649 | 714,105
Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 1,216 | 1,613
Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 42 | 304
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 1
Residential Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 234,706 | 234,790
Non-Accrual | 1,370 | 1,136
Total Past Due and Non-Accrual | 1,970 | 2,387
Total Loans | 236,676 | 237,177
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 596 | 986
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 4 | 264
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 | 0 | 1
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Current | 325,895 | 318,979
Non-Accrual | 722 | 762
Total Past Due and Non-Accrual | 1,172 | 1,208
Total Loans | 327,067 | 320,187
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 450 | 445
Commercial Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 1
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 | 18,055 | 19,681
Non-Accrual | 20 | 28
Total Past Due and Non-Accrual | 20 | 28
Total Loans | 18,075 | 19,709
Construction Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 0
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 | 82,036 | 85,355
Non-Accrual | 0 | 0
Total Past Due and Non-Accrual | 147 | 153
Total Loans | 82,183 | 85,508
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 | 109 | 143
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 | 38 | 10
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 | 55,587 | 51,456
Non-Accrual | 0 | 0
Total Past Due and Non-Accrual | 61 | 68
Total Loans | 55,648 | 51,524
Consumer loans to individuals [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 61 | 39
Consumer loans to individuals [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Past Due | 0 | 29
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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