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Commitments and Contingencies - Summary of Maturities of Operating Lease Liabilities (Detail)
$ in Thousands
Jun. 30, 2019
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2019 (remaining) $ 2,610
2020 5,324
2021 5,220
2022 5,260
2023 4,952
Thereafter 39,523
Total lease payments 62,889
Present value adjustment (26,585)
Total operating lease liabilities $ 36,304