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Stock-Based Compensation Stock Option Activity (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 0 Months Ended 9 Months Ended 12 Months Ended
Jan. 02, 2014
Sep. 30, 2014
Dec. 31, 2013
Number of Stock Option Awards (in shares) [Roll Forward]:      
Beginning balance 442,133 442,133  
Granted   52,800  
Exercises   (1,082)  
Forfeitures/expirations   (52,335)  
Ending balance   441,516 442,133
Weighted-Average Exercise Price (in dollars per share):      
Beginning balance $ 10.15 $ 10.15  
Granted $ 10.25 $ 10.13  
Exercises   $ 6.30  
Forfeitures/expirations   $ 10.07  
Ending balance   $ 10.16 $ 10.15
Weighted-Average Remaining Contractual Term (in years):      
Beginning balance   8 years 11 months 18 days 9 years 7 months 21 days
Granted   10 years  
Exercises   7 years 6 months 0 days  
Forfeitures/expirations   8 years 10 months 13 days  
Ending balance   8 years 11 months 18 days 9 years 7 months 21 days
Intrinsic Value   $ 26,459 $ 5,422