Financial Instruments and Fair Value - Schedule of Fair Value as Available-for-Sale Securities (Detail) - USD ($) $ in Thousands |
Jul. 31, 2022 |
Jan. 31, 2022 |
|---|---|---|
| Schedule of Available-for-sale Securities [Line Items] | ||
| Amortized Cost | $ 100,040 | $ 20 |
| Unrealized Gains | 0 | 0 |
| Unrealized Losses | (2) | 0 |
| Fair Value | 100,038 | 20 |
| Money market funds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Amortized Cost | 97,068 | 20 |
| Unrealized Gains | 0 | 0 |
| Unrealized Losses | 0 | 0 |
| Fair Value | 97,068 | $ 20 |
| Corporate bonds [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Amortized Cost | 2,972 | |
| Unrealized Gains | 0 | |
| Unrealized Losses | (2) | |
| Fair Value | $ 2,970 |