Property and Equipment, Net

6 Months Ended

Jun. 30, 2022

Property Plant And Equipment [Abstract]

5. Property and equipment, net

Property and equipment, net consisted of the following:

	December 31, 2021			June 30, 2022
Computers	$	7,843		$	7,961
Land		33,044			53,405
Laboratory equipment		18,805			32,407
Leasehold improvements		23,962			32,160
Operating lease right-of-use assets		37,788			36,464
Property and equipment		121,442			162,397
Less accumulated depreciation		(9,826	)		(13,219	)
Property and equipment, net	$	111,616		$	149,178

As of December 31, 2021 and June 30, 2022, leasehold improvements include tenant improvements in progress that have not commenced depreciation in the amount of $19.8 million and $7.7 million, respectively. Depreciation expense on property and equipment for the three and six months ended June 30, 2021 was $1.1 million and $1.9 million, respectively, and $2.3 million and $3.7 million, for the three and six months ended June 30, 2022, respectively.