v3.24.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Components of Loss Before Income Taxes
The components of income (loss) before income taxes consist of the following (in thousands):
 Years Ended December 31,
 202320222021
United States$(699,114)$(486,886)$240,560 
Foreign(316)(5,397)(3,973)
Net income (loss) before income taxes$(699,430)$(492,283)$236,587 
Schedule of Income Tax (Benefit) Expense
The income tax expense (benefit) consisted of the following (in thousands):
 Years Ended December 31,
 202320222021
Current:
Federal$697 $694 $— 
State2,715 2,444 589 
Foreign5,448 2,002 490 
8,860 5,140 1,079 
Deferred:
Federal233 448 193 
State222 220 256 
Foreign816 (86)(7,326)
1,271 582 (6,877)
Total income tax expense (benefit) $10,131 $5,722 $(5,798)
Schedule of Reconciliation of Statutory Federal Income Tax Rate to Effective Tax Rate
The following is a reconciliation of the statutory federal income tax rate to the Company’s effective tax rate:
 Years Ended December 31,
 202320222021
U.S. federal income tax at statutory rate21.0 %21.0 %21.0 %
U.S. state and local income taxes(0.4)(0.5)0.2 
Change in valuation allowance(23.6)(39.1)140.0 
Research and development tax credit6.8 14.6 (30.7)
Stock-based compensation(2.8)4.0 (114.3)
Discrete tax benefit due to intellectual property transfer— — (19.1)
Meals and entertainment(0.2)(0.1)0.1 
Foreign rate differential— 0.2 0.1 
Section 162(m) limitation(2.1)(0.5)1.1 
State apportionment change— 0.1 — 
Tax rate change— — (0.7)
Provision to return true-up0.1 (0.1)(0.1)
Other(0.2)(0.8)(0.1)
Effective tax rate(1.4)%(1.2)%(2.5)%
Summary of Significant Components of Deferred Income Tax Assets and Liabilities
Significant components of the Company’s deferred income tax assets and liabilities consist of the following (in thousands):
 As of December 31,
 20232022
Deferred tax assets:
Net operating loss carryforwards$484,136 $517,787 
Reserves and accruals23,677 20,068 
Research and development credits248,381 230,586 
Operating lease liabilities183,359 153,145 
Stock-based compensation55,785 50,661 
Depreciation and amortization51,700 41,377 
Section 174 capitalization280,906 165,219 
Other6,190 286 
Total deferred tax assets1,334,134 1,179,129 
Deferred tax liabilities:
Operating lease right-of-use assets(111,164)(128,517)
Other(4,357)— 
Total deferred tax liabilities(115,521)(128,517)
Valuation allowance(1,209,822)(1,040,341)
Net deferred tax assets$8,791 $10,271 
Summary of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits
A reconciliation of the beginning and ending balance of unrecognized tax benefits is as follows (in thousands):
 As of December 31,
 20232022
Unrecognized tax benefits at beginning of year$88,028 $66,150 
Gross increase for tax positions of current year13,166 22,888 
Gross decrease due to statute expiration(54)(317)
Gross increase for tax positions of prior years140 676 
Gross decrease for tax positions of prior years(12,689)(1,185)
Decrease relating to settlements with taxing authorities(43)(184)
Unrecognized tax benefits balance at end of year$88,548 $88,028