Accrued expenses and other current liabilities

3 Months Ended

Mar. 31, 2020

Payables and Accruals [Abstract]

Accrued expenses and other current liabilities

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

	As of March 31, 2020		As of December 31, 2019
Employee compensation	$	24,018	$	44,679
Manufacturing costs	25,957		23,126
Clinical and contract research organization costs	21,266		16,799
Collaboration research costs	19,732		27,142
Property, plant, and equipment	730		2,354
License and milestone fees	768		300
Professional fees	2,604		1,827
Other	23,016		25,329
Total accrued expenses and other current liabilities	$	118,091	$	141,556