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Employee Benefit Plans (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Employee Benefit Plans [Line Items]      
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees Gross Pay 100.00% 6.00%  
Defined Benefit Plan, Contributions by Employer $ 554,000 $ 502,000 $ 369,000
Spilt Dollar Life Insurance Agreement [Member]      
Employee Benefit Plans [Line Items]      
Deferred Compensation Liability, Current, Total 37,000 275,000  
Deferred Compensation Agreements [Member]      
Employee Benefit Plans [Line Items]      
Deferred Compensation Liability, Current, Total 11,000 33,000 $ 94,000
Deferred Compensation Arrangements Accrued Benefits $ 639,000 $ 680,000