PROPERTY AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Summarizes Components of Property and Equipment, Net

Property and equipment are recorded at historical cost, net of accumulated depreciation. The following table summarizes components of property and equipment, net, for each of the periods indicated:

	As of December 31,
	2021			2020
	(in thousands)
Leasehold improvements	$	103,370		$	55,019
Lab and manufacturing equipment		64,613			49,571
Building and improvements		47,605			39,397
Software and computer equipment		42,506			33,948
Furniture and fixtures		9,242			7,010
Land		5,183			5,183
Land improvements		4,921			3,610
Office equipment		1,189			1,178
Construction in progress		25,159			71,541
Property and equipment, gross		303,788			266,457
Less: accumulated depreciation		(112,632	)		(76,027	)
Property and equipment, net	$	191,156		$	190,430