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Troubled Debt Restructurings (Narrative) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) contract | Dec. 31, 2014 USD ($) contract | Dec. 31, 2013 contract
Financing Receivable, Modifications [Line Items] |  |  |
Number of troubled debt restructured loans | 23 | 25 |
Total troubled debt restructured loans | $ | $ 7,500 | $ 7,800 |
Number of contracts in nonaccrual status | 2 | 8 |
Total of loans in nonaccrual status | $ | $ 526 | $ 1,400 |
Number of contracts | 3 | 5 | 5
Loan is considered payment default | 30 days |  |
Residential Single Family [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of contracts modified by changing the amortization period | 2 |  |
Number of contracts modified by reducing the payment amount |  | 1 |
Number of contracts modified by changing the amortization period and lowering the interest rate | 1 |  | 1
Number of contracts modified by forgiving a portion of the loan |  |  | 1
Commercial - Non Real Estate Commercial And Industrial [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of contracts |  | 2 |
Number of contracts modified by reducing the payment amount |  | 2 |
Construction And Farmland Commercial [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of contracts |  | 1 | 2
Number of contracts modified by extending the term loan and interest payments only |  |  | 1
Number of contracts modified by granting a lower interest rate |  |  | 1
Number of contracts modified by forgiving a portion of the loan |  | 1 |
Residential Equity Lines [Member] |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of contracts |  | 1 | 1
Number of contracts modified by changing payments to interest only |  | 1 | 1

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