Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses consist of the following (in thousands):

	As of
	March 31,		December 31,
	2022		2021
Payroll and employee-related costs	$	8,780	$	23,661
Research costs		49,925		47,986
Licensing fees		533		138
Professional fees		4,456		4,720
Intellectual property costs		4,345		6,120
Accrued property and equipment		2,321		7,113
Other		2,272		1,265
Total	$	72,632	$	91,003