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Leases - Future Maturities of Operating Lease Liabilities (Detail)
$ in Thousands
Jun. 30, 2019
USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]  
2019 (remaining six months) $ 3,015
2020 7,224
2021 5,901
2022 4,607
2023 4,011
Thereafter 7,262
Total future minimum lease payments 32,020
Present value adjustment (4,566)
Operating lease liability $ 27,454