Accrued expenses and other current liabilities (Tables)

3 Months Ended

Mar. 31, 2021

Payables and Accruals [Abstract]

Summary of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consist of the following (in thousands):

	As of March 31, 2021		As of December 31, 2020
Employee compensation	$	45,916	$	55,802
Manufacturing costs	24,726		22,571
Clinical and contract research organization costs	23,377		23,766
Collaboration research costs	23,679		20,004
Property, plant and equipment	1,543		789
License and milestone fees	303		278
Professional fees	1,993		1,541
Other	25,254		20,655
Accrued expenses and other current liabilities	$	146,791	$	145,406