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