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v3.20.4

Other Balance Sheet Details (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | $ 58,740 | $ 41,607 |
Less: accumulated depreciation and amortization | (17,416) | (11,681) |
Property and equipment, net | 41,324 | 29,926 |
Depreciation and amortization | 5,682 | 3,930 | $ 2,359
Laboratory equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 24,737 | 17,179 |
Furniture and fixtures |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 4,870 | 4,639 |
Leasehold improvements |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 15,953 | 13,888 |
Manufacturing equipment |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | 1,089 | 0 |
Construction in progress |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property and equipment, gross | $ 12,091 | $ 5,901 |

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