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Fair Value Disclosures (Narrative Disclosures) (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2017
Fair Value Inputs, Assets, Quantitative Information |  |  |
Fair value, assets, level 1 to level 2 transfers | $ 0 | $ 0 | $ 0
Fair value, assets, level 2 to Level 1 transfers | 0 | 0 | 0
Fair value, assets, transfers into level 3 | 0 | 0 | 0
Fair value, assets, transfers out of level 3 | 0 | 0 | 0
Fair value, liabilities, level 1 to level 2 transfers | 0 | 0 | 0
Fair value, liabilities, level 2 to level 1 transfers | 0 | 0 | 0
Fair value, liabilities, transfers into level 3 | 0 | 0 | 0
Fair value, liabilities, transfers out of level 3 | $ 0 | $ 0 | 0
Minimum |  |  |
Fair Value Inputs, Assets, Quantitative Information |  |  |
Quantification of unobservable inputs for level 3 values for impaired loans | 5.00% | 5.00% |
Maximum |  |  |
Fair Value Inputs, Assets, Quantitative Information |  |  |
Quantification of unobservable inputs for level 3 values for impaired loans | 75.00% | 75.00% |
Weighted Average |  |  |
Fair Value Inputs, Assets, Quantitative Information |  |  |
Quantification of unobservable inputs for level 3 values for impaired loans | 17.00% | 17.00% |
Impaired loans |  |  |
Fair Value Inputs, Assets, Quantitative Information |  |  |
Assets measured on a non-recurring basis, fair value | $ 16,552,000 | $ 16,552,000 | 15,147,000
Fair Value Measurements - Level 3 Inputs | Impaired loans |  |  |
Fair Value Inputs, Assets, Quantitative Information |  |  |
Assets measured on a non-recurring basis, fair value | 5,833,000 | 5,833,000 | 5,084,000
Fair Value Measurements - Level 3 Inputs | Foreclosed properties |  |  |
Fair Value Inputs, Assets, Quantitative Information |  |  |
Assets measured on a non-recurring basis, fair value | $ 0 | $ 0 | $ 0

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