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Stock Compensation Expense (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Jun. 27, 2015
Jun. 28, 2014
Apr. 29, 2015
Mar. 12, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated Share-based Compensation Expense $ 448 $ 415 $ 725 $ 611    
Restricted Stock Granted in Period         100,000 114,625
Grant Date Fair Value of Restricted Stock         $ 982 $ 1,021
Weighted Average Grant Date Fair Value of Resticted Stock         $ 9.815 $ 8.910
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years      
Minimum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     2 years      
Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     29 years