Net Loss Per Share Attributable to Common Stockholders (Tables)
 12 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Summary of computation of basic and diluted net loss per share attributable to common stockholders
The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders for the periods presented:
 
                         
   
Year Ended March 31,
 
   
2021
  
2020
  
2019
 
   
Class A
  
Class B
  
Class A
  
Class B
  
Class A
  
Class B
 
   
(in thousands, except share and per share data)
 
Numerator:
                         
       
Net loss attributable to common stockholders
  $(37,070)  $(146,549)  $(49,094)  $(201,769)  $(28,592)  $(154,941) 
   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
Denominator:
                         
       
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted
   8,771,824   34,678,002   7,525,465   30,928,302   5,371,951   29,110,507 
   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
Net loss per share attributable to common stockholders, basic and diluted
  $(4.23)  $(4.23)  $(6.52)  $(6.52)  $(5.32)  $(5.32) 
   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
Summary of the potential shares of common stock that were excluded from the computation of diluted net loss per share attributable to common stockholders
The potential shares of common stock that were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because including them would have been anti-dilutive are as follows:
 
                         
   
Year Ended March 31,
 
   
2021
   
2020
   
2019
 
   
Class A
   
Class B
   
    Class A    
   
Class B
   
    Class A    
   
Class B
 
Conversion of redeemable convertible preferred stock
   —      91,198,378    —      86,443,341    —      86,443,341 
Outstanding stock options
   7,898,294    21,476,732    —      29,817,566    —      28,067,150 
Issuance of common stock upon early exercise of options (unvested)
   —      —      —      3,810,417    —      5,285,417 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Total
   7,898,294    112,675,110    —      120,071,324    —      119,795,908