Financial Instruments and Fair Value - Schedule of Available-for-Sale Securities at Fair Value (Detail) - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 101,686	$ 20
Unrealized Gains	116	0
Unrealized Losses	(608)	0
Fair Value	101,194	20
Money market funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	7,872	20
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	7,872	$ 20
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	18,333
Unrealized Gains	0
Unrealized Losses	0
Fair Value	18,333
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	23,472
Unrealized Gains	50
Unrealized Losses	(224)
Fair Value	23,298
Asset-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	18,753
Unrealized Gains	44
Unrealized Losses	(149)
Fair Value	18,648
U.S. government securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	33,256
Unrealized Gains	22
Unrealized Losses	(235)
Fair Value	$ 33,043

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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