Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

The estimated useful lives of property and equipment are described below:

	Estimated Useful Life
Laboratory equipment	5 years
Leasehold improvements	Lesser of estimated useful life of improvement or remaining life of related lease
Computer equipment and software	3 years
Internally developed software	3 years
Furniture, fixtures and other	5 years
Right of use asset, financing	Lease term

Property and equipment, net as of December 31, 2020 and 2019 consists of the following (in thousands):

	December 31,
	2020		2019
Laboratory equipment	$	120,714	$	108,257
Leasehold improvements	179,901		152,426
Furniture, fixtures and other	4,662		3,316
Computer equipment and software	13,398		11,985
Internally developed software	7,020		7,020
Right-of-use asset, financing	56,348		9,853
Construction in progress	34,507		3,222
	416,550		296,079
Less: Accumulated depreciation	(119,661)		(94,584)
Property and equipment, net	$	296,889	$	201,495