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Initial Public Offering - Additional Information (Details) - Initial Public Offering - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | May. 16, 2014 | Apr. 23, 2014
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Subsidiary Or Equity Method Investee [Line Items] |  |
Common stock, shares issued | 1,400 | 8,333
Common stock shares issued, 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
Net proceeds from issuance of common stock | $ 3,100 |
Parent Company |  |
Subsidiary Or Equity Method Investee [Line Items] |  |
Common stock, shares issued | 350 |
Seidler Equity Partners III L.P. |  |
Subsidiary Or Equity Method Investee [Line Items] |  |
Common stock, shares issued | 1,050 | 4,167

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