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Fair Value Measurements (Details Textuals) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Fair Value Disclosures [Abstract]          
Gains included in earnings attributable to change in unrealized gains or losses $ 27,000 $ 296,000 $ 97,000 $ 677,000  
Impaired loans with a specific allowance 14,687,000 24,000,000 14,687,000 24,000,000 16,266,000
Specific allowance related to impaired loans 4,661,000 4,600,000 4,661,000 4,600,000 4,796,000
Impaired financing receivable charge offs     $ 2,100,000 $ 2,500,000