Long-term Debt and Obligations - Components of Borrowings, Including Current Portion (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Long-term debt	$ 31,377
Less: Current portion	(271)	$ (251)
Non-current portion	31,106	30,675
Long-term debt	31,377
Term Loan Agreement [Member]
Debt Instrument [Line Items]
Term loans payable	30,958	30,420
Capital leases	419	506
Long-term debt	31,377	30,926
Less: Current portion	(271)	(251)
Non-current portion	31,106	30,675
Long-term debt	$ 31,377	$ 30,926

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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