Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of (Loss) Income Before Provision for Income Taxes

For the years ended December 31, 2023, 2022 and 2021, the (loss) income before provision for income taxes consist of the following (in thousands):

	Years Ended December 31,
	2023			2022			2021
Domestic	$	30,357		$	1,321		$	4,569
Foreign		(181,079	)		(651,821	)		374,962
Total	$	(150,722	)	$	(650,500	)	$	379,531

Schedule of Benefit (Provision for) from Income Taxes

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

	Years Ended December 31,
	2023			2022			2021
Current income taxes:
Federal	$	(2,318	)	$	(444	)	$	(80	)
State		(994	)		(241	)		(42	)
Foreign		—			—			0
Total current income taxes		(3,312	)		(685	)		(122	)
Deferred income taxes:
Federal	$	424			1,010			(1,748	)
State		—			—			—
Foreign		—			—			—
Total deferred income taxes		424			1,010			(1,748	)
Total income tax benefit (provision)	$	(2,888	)	$	325		$	(1,870	)

Schedule of Reconciliation of Income Tax Expense Computed at Statutory Corporate Income Tax Rate to Effective Income Tax Rate

A reconciliation of income tax expense computed at the statutory corporate income tax rate to the effective income tax rate for the years ended December 31, 2023, 2022 and 2021 is as follows:

	Years Ended December 31,
	2023			2022			2021
Income tax expense at statutory rate		11.9	%		11.9	%		11.9	%
State income tax, net of federal benefit		2.3	%		1.2	%		(1.0	)%
Nondeductible expenses		(0.2	)%		(0.2	)%		0.7	%
Foreign rate differential		(2.1	)%		(0.1	)%		0.6	%
Statutory to US GAAP permanent differences		0.0	%		0.0	%		0.0	%
Stock-based compensation		(4.0	)%		(0.2	%)		(2.5	)%
Impact of deferred rate change		0.1	%		(0.1	)%		0.0	%
Research credits		8.2	%		3.3	%		(4.2	)%
Change in valuation allowance		(17.2	)%		(15.8	)%		(5.0	)%
Other Rate Items		(0.9	)%		0.0	%		0.0	%
Effective income tax rate		(1.9	%)		—			0.5	%

Schedule of Significant Components of Company's Deferred Tax Assets

Deferred taxes are recognized for temporary differences between the basis of assets and liabilities for financial statement and income tax purposes. The significant components of the Company’s deferred tax assets are comprised of the following (in thousands):

	Years Ended December 31,
	2023			2022
Deferred tax assets:
Net operating loss carryforwards	$	133,384		$	118,432
Accruals and reserves		4,485			4,782
Operating lease liabilities		65,177			66,436
Other deferred tax assets		15,987			10,154
Stock-based compensation		18,346			18,034
Research credit		70,404			63,416
Total deferred tax assets		307,783			281,254
Less valuation allowance		(227,615	)		(198,279	)
Net deferred tax assets		80,168			82,975
Deferred tax liabilities:
Depreciation		(38,725	)		(41,206	)
Operating lease assets		(42,058	)		(42,678	)
Intangible assets		(4	)		(18	)
Other deferred tax liabilities		—			(209	)
Total deferred tax liabilities		(80,787	)		(84,111	)
Long term deferred taxes	$	(619	)	$	(1,136	)

Schedule of Aggregate Changes in Gross Unrecognized Tax Benefits

The aggregate changes in gross unrecognized tax benefits were as follows (in thousands):

	Years Ended December 31,
	2023			2022		2021
Balance at beginning of year	$	34,536		$	21,395	$	11,967
Increases for tax positions taken during current period		9,703			10,439		9,911
Increases for tax positions taken in prior periods		—			2,702		—
Decreases for tax positions taken during current period		—			—		—
Decreases for tax positions taken in prior periods		(91	)		—		(483	)
Balance at end of year	$	44,148		$	34,536	$	21,395