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Fair Value Measurements (Details Textuals) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Fair Value Disclosures [Abstract] |  |  |  |  |
Gains included in earnings attributable to change in unrealized gains or losses | $ 128,000 | $ (36,000) | $ 87,000 | $ 70,000 |
Impaired loans with a specific allowance | 8,336,000 | 14,400,000 | 8,336,000 | 14,400,000 | $ 7,438,000
Specific allowance related to impaired loans | 2,725,000 | 4,300,000 | 2,725,000 | 4,300,000 | $ 1,749,000
Impaired financing receivable charge offs | $ 211,000 | $ 1,000,000 | $ 306,000 | $ 2,000,000 |

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