v3.20.4
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2020
Income Tax Disclosure [Abstract]  
Summary of Loss Before Provision (benefit) for Income Taxes
Loss before provision (benefit) for income taxes consisted of the following (in thousands):
 
  
Years Ended December 31,
  
    2020    
 
    2019    
 
    2018    
  
 
 
 
 
 
 
 
 
 
 
 
United States
 $(1,203,682)  $(580,362)  $(558,974) 
Foreign
  24,655    13,091    (11,951) 
  
 
 
 
 
 
 
 
 
 
 
 
Loss before provision (benefit) for income taxes
 $    (1,179,027)  $    (567,271)  $    (570,925) 
  
 
 
 
 
 
 
 
 
 
 
 
Summary of Provision (benefit) for Income Taxes
Provision (benefit) for income taxes consisted of the following (in thousands):
 
  
Years Ended December 31,
  
    2020    
 
    2019    
 
    2018    
Current:
            
Federal
 $—   $—   $—  
State
  500    139    142  
Foreign
  7,249    19,435    15,945  
  
 
 
 
 
 
 
 
 
 
 
 
Total current provision
  7,749    19,574    16,087  
Deferred:
            
Federal
  —    —    —  
State
  —    —    —  
Foreign
  (20,385)   (7,199)   (6,985) 
  
 
 
 
 
 
 
 
 
 
 
 
Total deferred benefit
  (20,385)   (7,199)   (6,985) 
  
 
 
 
 
 
 
 
 
 
 
 
Total provision (benefit) for income taxes
 $         (12,636)  $       12,375   $         9,102  
  
 
 
 
 
 
 
 
 
 
 
 
Summary of Reconciliation of Effective Income Tax Rate
A reconciliation of the expected tax provision (benefit) at the statutory federal income tax rate to the Company’s recorded tax provision (benefit) consisted of the following (in thousands):
 
  
Years Ended December 31,
  
 
 
 
  
    2020    
 
    2019    
 
    2018    
Expected (benefit) at U.S. federal statutory rate
 $(247,596)  $(119,127)  $(119,894) 
State income taxes – net of federal benefit
  500    139    142  
Foreign tax rate differential
  (4,131)   25,430    8,028  
Research and development tax credits
  (26,294)   (2,106)   (4,565) 
Stock-based compensation
  (194,730)   (6,069)   2,629  
Warrants revaluation
  —    —    (10,099) 
Non-deductible
officers’ compensation
  76,093    —    —  
Change in valuation allowance
  373,632    112,149    126,395  
Other
  9,890    1,959    6,466  
  
 
 
 
 
 
 
 
 
 
 
 
Total provision (benefit) for income taxes
 $         (12,636)  $       12,375   $         9,102  
  
 
 
 
 
 
 
 
 
 
 
 
Summary of Significant Deferred Tax Assets and Liabilities Significant deferred tax assets and liabilities consisted of the following (in thousands):
  
As of December 31,
  
 
 
 
  
          2020          
 
          2019          
  
 
 
 
 
 
 
 
Net operating loss carryforwards
 $    853,861   $    570,583  
Reserves and accruals
  55,685    36,269  
Tax credit carryforwards
  68,626    28,459  
Stock-based compensation
  246,380    181,901  
Lease liabilities
  57,543    —  
Depreciation and amortization
  28,970    23,709  
  
 
 
 
 
 
 
 
Gross deferred tax assets
  1,311,065    840,921  
Right-of-use
assets
  (48,120)   —  
  
 
 
 
 
 
 
 
Total net deferred tax assets before valuation allowance
  1,262,945    840,921  
Valuation allowance
  (1,220,093)   (819,738) 
  
 
 
 
 
 
 
 
Net deferred tax assets
 $42,852   $21,183  
  
 
 
 
 
 
 
 
Summary of Reconciliation of the Gross Unrecognized Tax Benefits
A reconciliation of the gross unrecognized tax benefits consists of the following (in thousands):
 
  
Years Ended December 31,
  
 
 
 
  
    2020    
 
    2019    
 
    2018    
  
 
 
 
 
 
 
 
 
 
 
 
Unrecognized tax benefit beginning of year
 $31,702  $27,812  $18,793 
Increases in current year tax positions
  43,855   6,301   8,437 
Increases in prior year tax positions
     114   582 
Decreases in prior year tax positions
     (1,829   
Decreases in prior year tax positions due to settlements
     (696   
Decreases in prior year tax positions due to lapse of statute of limitations
          
  
 
 
 
 
 
 
 
 
 
 
 
Unrecognized tax benefit end of year
 $           75,557  $       31,702  $        27,812