Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) before Income Tax, Domestic and Foreign

The components of loss before income taxes were as follows (in thousands):

	Year Ended December 31,
	2021		2020		2019
Domestic	$	(472,141)	$	(244,395)	$	(70,734)
Foreign	(31,659)		(19,952)		(371)
	$	(503,800)	$	(264,347)	$	(71,105)

Schedule of Components of Income Tax Provision (Benefit)

The provision (benefit) for income taxes consists of the following (in thousands):

	Year Ended December 31,
	2021		2020		2019
Current provision:
Federal	$	—	$	—	$	—
State	678		10		9
Foreign	—		25		—
Total current provision	678		35		9
Deferred provision:
Federal	(878)		(6,032)		—
State	(120)		(659)		—
Foreign	—		—		—
Total deferred provision	(998)		(6,691)		—
Provision (benefit) for income taxes	$	(320)	$	(6,656)	$	9

Schedule of Effective Income Tax Rate Reconciliation

The provision (benefit) for income taxes differs from the amount estimated by applying the statutory income (loss) before taxes as follows:

	Year Ended December 31,
	2021		2020		2019
Federal tax (benefit) at statutory rate	21	%	21	%	21	%
State tax (benefit) at statutory rate, net of federal benefit	2		1		2
Permanent differences	0		0		(4)
Research and development credits	10		3		5
Change in valuation allowance	(117)		(21)		(27)
Stock-based compensation	84		0		0
Change in statutory rate	0		0		2
Foreign rate differential	0		(2)		0
Other	0		1		1
Provision (benefit) for income taxes	0	%	3	%	0	%

Schedule of Deferred Tax Assets and Liabilities

The following table presents the significant components of the Company’s deferred tax assets for the periods presented (in thousands):

	December 31,
	2021		2020		2019
Deferred tax assets:
Accruals	$	11,466	$	5,781	$	2,620
Intangibles	—		—		156
Deferred revenue	107,221		35,026		19,948
Net operating loss carryforwards	505,668		76,509		37,525
Tax credit carryforwards	65,855		17,052		9,035
Stock-based compensation	35,368		3,891		2,731
Operating lease liability	56,897		—		—
Interest	1,556		—		—
Other	1,369		766		69
Total gross deferred tax asset	785,400		139,025		72,084
Less: valuation allowance	(711,297)		(122,328)		(64,435)
Net deferred tax assets	74,103		16,697		7,649
Deferred tax liabilities:
Fixed Assets	(13,889)		(10,934)		(7,649)
Intangible Assets	(9,060)		(5,763)		—
Operating lease right-of-use asset	(51,154)		—		—
Total deferred tax liabilities	(74,103)		(16,697)		(7,649)
Net deferred tax assets (liabilities)	$	0	$	0	$	0

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows (in thousands):

	December 31,
	2021		2020		2019
Unrecognized tax benefits at beginning of year	$	19,386	$	10,121	$	6,111
Increases related to current year tax positions	53,440		8,998		3,658
Increases related to prior year tax positions	93		481		351
Decreases related to prior year tax positions	—		(215)		—
Decreases related to expiration of prior year tax positions	—		—		—
Decreases related to settlements of prior year tax positions	—		—		—
Unrecognized tax benefits at end of year	$	72,919	$	19,386	$	10,121