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Secondary Offering - Additional Information (Details) - USD ($)
$ / shares in Units, shares in Thousands
 9 Months Ended
Oct. 26, 2015
Sep. 30, 2015
Nov. 01, 2014
Subsidiary Or Equity Method Investee [Line Items]      
Issuance of common stock, net     $ 73,393,000
Seidler Equity Partners III L.P. | Secondary Offering      
Subsidiary Or Equity Method Investee [Line Items]      
Common stock shares sold in a secondary offering 649,022 6,250,000  
Issuance of common stock, net $ 0 $ 0  
Offering expenses $ 22,000 $ 705,000  
Common stock shares issued, price per share $ 12.25    
Seidler Equity Partners III L.P. | Secondary Offering | Selling, General and Administrative Expenses      
Subsidiary Or Equity Method Investee [Line Items]      
Offering expenses $ 727,000