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Fair Values (Schedule of Fair Value Measurement) (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 USD ($) loan | Sep. 30, 2017 USD ($) loan
Recurring basis | Quoted market prices in active markets (Level 1) |  |
Assets and liabilities recorded at fair value |  |
Derivative assets | $ 0 | $ 0
Derivative liabilities | 0 | 0
Available-for-sale securities | 0 | 0
Recurring basis | Significant other observable inputs (Level 2) |  |
Assets and liabilities recorded at fair value |  |
Derivative assets | 727 | 76
Derivative liabilities | 47 | 18
Recurring basis | Significant unobservable inputs (Level 3) |  |
Assets and liabilities recorded at fair value |  |
Available-for-sale securities | $ 21,666 | $ 22,105
Non-recurring basis |  |
Assets and liabilities recorded at fair value |  |
Sellout period | 2 years |
Non-recurring basis | Comparable Sales | Loans Receivable One |  |
Assets and liabilities recorded at fair value |  |
Impaired loans | $ 5,200 |
Number of impaired loans | loan |  | 1
Non-recurring basis | Comparable Sales | Loans Receivable Two |  |
Assets and liabilities recorded at fair value |  |
Impaired loans | $ 2,000 |
Number of impaired loans | loan | 1 |
Non-recurring basis | Quoted market prices in active markets (Level 1) |  |
Assets and liabilities recorded at fair value |  |
Impaired loans | $ 0 |
Non-recurring basis | Significant unobservable inputs (Level 3) |  |
Assets and liabilities recorded at fair value |  |
Impaired loans | 7,200 |
Impaired real estate | $ 3,063 |
Number of impaired loans | loan | 1 |
Fair Value | Recurring basis |  |
Assets and liabilities recorded at fair value |  |
Derivative assets | $ 727 | $ 76
Derivative liabilities | 47 | 18
Available-for-sale securities | 21,666 | $ 22,105
Fair Value | Non-recurring basis |  |
Assets and liabilities recorded at fair value |  |
Impaired loans | 7,200 |
Impaired real estate | $ 3,063 |
Fair Value | Non-recurring basis | Discounted Cash Flow Valuation Technique |  |
Assets and liabilities recorded at fair value |  |
Discount rate | 11.00% |

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