Other Financial Information (Tables)

12 Months Ended

Dec. 31, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following at December 31 (in thousands):

	December 31,
	2021		2020
Prepaid expenses	$	120,029	$	171,602
Other current assets	53,491		9,662
Prepaid expenses and other current assets	$	173,520	$	181,264

Schedule of Property and Equipment, Net

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

	Useful Life
Buildings	25 years
Machinery and equipment	5 - 7 years
Computer hardware	3 years
Leasehold improvements	Shorter of useful life or remaining term of the lease

Property and equipment is comprised of the following at December 31 (in thousands):

	December 31,
	2021		2020
Land and buildings	$	83,534	$	79,096
Machinery and equipment	119,998		31,609
Leasehold improvements	10,282		9,684
Computer hardware	9,670		6,126
Construction in progress	35,114		71,232
	258,598		197,747
Less: accumulated depreciation	(29,902)		(17,793)
Property and equipment, net	$	228,696	$	179,954

Schedule of Accrued Expenses

Accrued expenses consist of the following at December 31 (in thousands):

	December 31,
	2021		2020
Employee benefits and compensation	$	38,419	$	20,752
Research and development accruals	577,100		99,994
Other accrued expenses	58,212		16,644
Accrued expenses	$	673,731	$	137,390