Redeemable Convertible Preferred Stock (Tables)
 12 Months Ended
Mar. 31, 2021
Temporary Equity Disclosure [Abstract]  
Temporary equity
Redeemable convertible preferred stock consisted of the following:
 
   
March 31, 2021
 
   
Shares
Authorized
   
Shares
Issued and
Outstanding
   
Carrying
Value
   
Aggregate
Liquidation
Preference
 
   
(in thousands, except share data)
 
Series A
   7,119,936    7,119,936   $8,815   $8,953 
Series B
   9,048,560    9,048,560    27,643    27,779 
Series C
   9,898,011    9,898,011    30,961    31,179 
Series D
   14,435,636    14,435,636    58,274    58,450 
Series E
   10,644,057    10,644,057    114,936    115,246 
Series F
   18,006,075    18,006,075    242,168    250,000 
Series F-1
   22,190,201    22,046,103    354,554    382,500 
  
 
 
   
 
 
   
 
 
   
 
 
 
Total redeemable convertible preferred stock
   91,342,476    91,198,378   $837,351   $874,107 
  
 
 
   
 
 
   
 
 
   
 
 
 
   
 
March 31, 2020
 
   
Shares
Authorized
   
Shares
Issued and
Outstanding
   
Carrying
Value
   
Aggregate
Liquidation
Preference
 
   
(in thousands, except share data)
 
Series A
   7,119,936    7,119,936   $8,815   $8,953 
Series B
   9,048,560    9,048,560    27,643    27,779 
Series C
   9,898,011    9,898,011    30,961    31,179 
Series D
   14,435,636    14,435,636    58,274    58,450 
Series E
   10,644,057    10,644,057    114,936    115,246 
Series F
   18,006,075    18,006,075    242,168    250,000 
Series F-1
   17,291,066    17,291,066    272,286    300,000 
  
 
 
   
 
 
   
 
 
   
 
 
 
Total redeemable convertible preferred stock
   86,443,341    86,443,341   $755,083   $791,607