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Series A Preferred Stock - Redemption of Preferred Stock (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 03, 2016
Jul. 01, 2016
Mar. 27, 2017
Dec. 31, 2016
Dec. 31, 2015
Temporary Equity [Line Items]          
Temporary equity balance       $ 13,486 $ 0
Series A Preferred Stock          
Temporary Equity [Line Items]          
Value of shares redeemed $ 200 $ 2,600      
Number of shares redeemed (in shares) 1,212 17,286      
Reduction in the original recorded value of preferred stock $ 100 $ 1,700      
Reduction in the accretive value of the preferred stock $ 100 $ 900      
Temporary equity balance       13,500  
Liquidation preference       $ 13,778  
Series A Preferred Stock | Subsequent Event          
Temporary Equity [Line Items]          
Value of shares redeemed     $ 3,300    
Number of shares redeemed (in shares)     20,303    
Reduction in the original recorded value of preferred stock     $ 2,000    
Reduction in the accretive value of the preferred stock     $ 1,300