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Property and Equipment, Net
12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net
7.
Property and Equipment, Net

Property and equipment, net as of December 31, 2022 and 2021 consisted of the following (in thousands):

 

 

 

December 31,

 

 

 

2022

 

 

2021

 

Laboratory equipment

 

$

43,592

 

 

$

36,312

 

Computer equipment

 

 

7,766

 

 

 

6,988

 

Furniture and office equipment

 

 

5,342

 

 

 

5,579

 

Computer software

 

 

1,069

 

 

 

992

 

Construction in progress

 

 

7,625

 

 

 

5,658

 

Leasehold improvements

 

 

72,403

 

 

 

65,959

 

Total property and equipment, at cost

 

 

137,797

 

 

 

121,488

 

Less: Accumulated depreciation

 

 

(54,350

)

 

 

(36,226

)

Property and equipment, net

 

$

83,447

 

 

$

85,262

 

 

Depreciation expense was $19.2 million, $12.3 million and $6.8 million for the year ended December 31, 2022, 2021 and 2020, respectively.