Other Financial Information (Tables)

12 Months Ended

Dec. 31, 2023

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 as of (in thousands):

	December 31,
	2023		2022
Prepaid expenses	$	70,297	$	160,773
Other current assets	155,726		76,374
Prepaid expenses and other current assets	$	226,023	$	237,147

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 as of (in thousands):

	December 31,
	2023		2022
Land and buildings	$	102,916	$	101,342
Machinery and equipment	148,243		134,809
Leasehold improvements	48,310		18,895
Computer hardware	5,114		4,927
Construction in progress	76,156		81,566
	380,739		341,539
Less: accumulated depreciation	(74,968)		(47,292)
Property and equipment, net	$	305,771	$	294,247

Schedule of Accrued Expenses

Accrued expenses consist of the following as of (in thousands):

	December 31,
	2023		2022
Employee benefits and compensation	$	55,952	$	52,569
Gross-to-net deductions	20,616		—
U.S. product sales returns accrual	82,506		—
Research and development accruals	131,027		468,214
Other accrued expenses	104,567		70,375
Accrued expenses	$	394,668	$	591,158

Schedule of Other Current Liabilities

Other current liabilities consist of the following as of (in thousands):

	December 31,
	2023		2022
Refunds due to APA customers	$	142,165	$	210,362
Other current liability related to Gavi (see Note 3)	696,390		697,384
Other current liabilities	22,853		22,309
Total other current liabilities	$	861,408	$	930,055