Initial Public Offering - Additional Information (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands			6 Months Ended
	May. 16, 2014	Apr. 23, 2014	Aug. 02, 2014
Subsidiary Or Equity Method Investee [Line Items]
Issuance of common stock, net			$ 73,393
Initial Public Offering
Subsidiary Or Equity Method Investee [Line Items]
Initial public offering common stock, shares issued	1,400	8,333
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	$ 3,100
Initial Public Offering | Parent Company
Subsidiary Or Equity Method Investee [Line Items]
Initial public offering common stock, shares issued	350
Initial Public Offering | Seidler Equity Partners III L.P.
Subsidiary Or Equity Method Investee [Line Items]
Initial public offering common stock, shares issued	1,050	4,167