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Leases - Schedule of Reconciles Undiscounted Cash flows of Operating Lease Liabilities Recorded on the Condensed Consolidated Balance Sheet (Detail) $ in Thousands | Mar. 31, 2019 USD ($)
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Leases [Abstract] |
2019 (remaining nine months) | $ 1,783
2020 | 2,080
2021 | 1,603
2022 | 932
2023 | 636
Thereafter | 237
Total minimum lease payments | 7,271
Less: amount of lease payments representing interest | (1,132)
Present value of future minimum lease payments | 6,139
Less: current liabilities under operating leases | (2,067)
Long-term operating lease liabilities | $ 4,072

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