Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Schedule of Property and Equipment (Detail)

v3.20.1
Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 68,009 $ 65,854
Less: accumulated depreciation and amortization (13,567) (11,678)
Property and equipment, net 54,442 54,176
Leasehold Improvements    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 49,703 49,028
Lab Equipment    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 7,060 6,815
Machinery and Equipment    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 4,074 3,832
Computer Equipment and Software    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 3,797 3,299
Furniture and Fixtures    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 2,019 1,764
Construction in Progress    
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 1,356 $ 1,116