Debt - Principal Payments Remaining on Debt (Detail) $ in Thousands	Mar. 31, 2019 USD ($)
Debt Disclosure [Abstract]
Remainder of 2019	$ 566
2020	47
2021	4,483
2022	18,306
2023 and thereafter	23,617
Total	47,019
Add: capital lease principal payments	123
Less: unamortized debt discount and debt issuance costs	(3,964)
Total	43,178
Less: current portion of long-term debt	(619)
Long-term debt, net of current portion	$ 42,559

Long-term Debt, Maturities, Repayments of Principal in Year Five and Thereafter

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Unamortized debt issuance and debt discount.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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 and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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