XML 83 R49.htm IDEA: XBRL DOCUMENT v3.20.4
Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accrued Liabilities Current [Abstract]    
Payroll and employee-related costs $ 22,402 $ 15,229
Research costs 21,684 9,434
Licensing fees 1,401 750
Professional fees 1,670 2,040
Intellectual property costs 3,625 2,311
Accrued property and equipment 2,835 407
Other 165 9
Total $ 53,782 $ 30,180