Income Taxes - Summary of Deferred Income Taxes Result From Differences in the Recognition of Revenue and Expenses For Tax and Financial Reporting Purposes, As Well As Operating Loss And Tax Credit Carryforwards (Detail) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Mar. 31, 2020 |
|---|---|---|
| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 181,020 | $ 165,161 |
| Accruals and reserves | 3,591 | 4,596 |
| Stock-based compensation | 6,291 | 6,552 |
| Deferred revenue | 17,785 | 5,152 |
| Operating lease liabilities | 23,393 | 23,160 |
| Intangibles | 355 | 75 |
| Other | 391 | 390 |
| Gross deferred tax assets | 232,826 | 205,086 |
| Valuation allowance | (213,267) | (185,249) |
| Total deferred tax assets | 19,559 | 19,837 |
| Deferred tax liabilities: | ||
| Prepaid expenses | (841) | (885) |
| Operating lease right-of-use assets | (15,755) | (15,541) |
| Property and equipment | (2,963) | (3,411) |
| Gross deferred tax liabilities | (19,559) | (19,837) |
| Net deferred taxes |