Financial Instruments and Fair Value - Schedule of Fair Value as Available-for-Sale Securities (Detail) - USD ($) $ in Thousands	Oct. 31, 2022	Jan. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 100,765	$ 20
Unrealized Gains	1	0
Unrealized Losses	(1,044)	0
Fair Value	99,722	20
Money market funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	13,525	20
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	13,525	$ 20
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	18,161
Unrealized Gains	0
Unrealized Losses	0
Fair Value	18,161
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	21,390
Unrealized Gains	1
Unrealized Losses	(425)
Fair Value	20,966
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	16,287
Unrealized Gains	0
Unrealized Losses	(260)
Fair Value	16,027
U.S. government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	31,402
Unrealized Gains	0
Unrealized Losses	(359)
Fair Value	$ 31,043

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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