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Initial Public Offering - Additional Information (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 9 Months Ended 0 Months Ended
Nov. 01, 2014
May 16, 2014
Initial Public Offering
Apr. 23, 2014
Initial Public Offering
May 16, 2014
Initial Public Offering
Parent Company
May 16, 2014
Initial Public Offering
Seidler Equity Partners III L.P.
Apr. 23, 2014
Initial Public Offering
Seidler Equity Partners III L.P.
Subsidiary Or Equity Method Investee [Line Items]            
Initial public offering common stock, shares issued   1,400 8,333 350 1,050 4,167
Initial public offering common stock to public, price per share   $ 9.50 $ 9.50      
Proceeds from issuance initial public offering, net     $ 70,299      
Payment of underwriting discounts and commissions     5,542      
Other offering expenses     3,326      
Issuance of common stock, net $ 73,393 $ 3,100