Leases - Summary of Supplemental Cash Flow Information Related To Operating Leases (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Cash paid for amounts included in the measurement of operating lease liabilities: | |||
| Operating cash flows used in operating leases | $ (14,067) | $ (12,520) | $ (8,547) |
| Landlord contributions included in the measurement of operating lease ROU assets: | |||
| Operating cash flows provided by operating leases | 3,733 | 9,940 | |
| Supplemental disclosure of non-cash operating lease activities: | |||
| Operating lease ROU assets obtained in exchange for new operating lease liabilities | $ 12,803 | $ 4,769 | $ 82,348 |