Property and Equipment, net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment, net

5. Property and Equipment, net

Property and equipment, net, consists of the following (in thousands):

	As of December 31,
	2021			2020
Computer equipment	$	1,757		$	727
Furniture, fixtures, and other		4,371			3,416
Laboratory equipment		30,123			25,353
Leasehold improvements		86,735			25,473
Construction work in process		52,396			8,366
Total property and equipment, gross		175,382			63,335
Accumulated Depreciation		(37,807	)		(21,175	)
Total property and equipment, net	$	137,575		$	42,160

Depreciation expense for the year ended December 31, 2021, 2020 and 2019 was $17.9 million, $9.1 million, and $4.7 million, respectively.