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Fair Value of Financial Instruments and Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair Value of Financial Instruments And Fair Value Measurements [Line Items]      
Impaired Financing Receivable, Related Allowance $ 88 $ 349 $ 951
Impaired Financing Receivable, Recorded Investment, Total $ 6,800 $ 10,700 $ 16,756