Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation - Schedule of Activity (Details)

v3.20.2
Share-based Compensation - Schedule of Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended 12 Months Ended
Sep. 30, 2020
USD ($)
$ / shares
shares
Mar. 31, 2020
USD ($)
$ / shares
shares
Number of Options    
Beginning balance (in shares) | shares 7,147  
Granted (in shares) | shares 2,229  
Exercised (in shares) | shares (302)  
Forfeited (in shares) | shares (237)  
Ending balance (in shares) | shares 8,837 7,147
Options vested and exercisable at September 30, 2020 (in shares) | shares 1,396  
Weighted Average Exercise Price    
Beginning balance (in dollars per share) | $ / shares $ 16.26  
Granted (in dollars per share) | $ / shares 33.37  
Exercised (in dollars per share) | $ / shares 16.00  
Forfeited (in dollars per share) | $ / shares 16.96  
Ending valance (in dollars per share) | $ / shares 20.57 $ 16.26
Options vested and exercisable at September 30, 2020 (in dollars per share) | $ / shares $ 16.05  
Weighted average remaining contractual term 9 years 9 years 3 months 18 days
Weighted average remaining contractual term, options vested and exercisable at June 30, 2020 8 years 9 months 18 days  
Aggregate intrinsic value | $ $ 180,799 $ 54,423
Aggregate intrinsic value, options vested and exercisable at September 30, 2020 | $ $ 34,855  
Restricted Stock    
Number of Restricted Shares    
Balance, March 31, 2020 (in shares) | shares 1,984  
Granted (in shares) | shares 0  
Vested (in shares) | shares (848)  
Forfeited (in shares) | shares (96)  
Balance, September 30, 2020 (in shares) | shares 1,040 1,984
Weighted Average Grant Date Fair Value    
Balance, March 31, 2020 (in dollars per share) | $ / shares $ 16.00  
Granted (in dollars per share) | $ / shares 0  
Vested (in dollars per share) | $ / shares 16.00  
Forfeited (in dollars per share) | $ / shares 16.00  
Balance, September 30, 2020 (in dollars per share) | $ / shares $ 16.00 $ 16.00
Restricted Stock Units (RSUs)    
Number of Restricted Shares    
Balance, March 31, 2020 (in shares) | shares 3,123  
Granted (in shares) | shares 1,243  
Vested (in shares) | shares (806)  
Forfeited (in shares) | shares (118)  
Balance, September 30, 2020 (in shares) | shares 3,442 3,123
Weighted Average Grant Date Fair Value    
Balance, March 31, 2020 (in dollars per share) | $ / shares $ 16.39  
Granted (in dollars per share) | $ / shares 33.54  
Vested (in dollars per share) | $ / shares 16.06  
Forfeited (in dollars per share) | $ / shares 17.75  
Balance, September 30, 2020 (in dollars per share) | $ / shares $ 22.62 $ 16.39