Summary of Significant Accounting Policies - Summary of Revenue and Adjusted EBITDA by Segment (Detail) (Parenthetical) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Segment Reporting Information [Line Items] | |||
| Share-based payment arrangement, expense | $ 86,696 | $ 41,058 | $ 30,299 |
| Restructuring Charges [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Share-based payment arrangement, expense | $ 881 | ||