Cash, Cash Equivalents and Marketable Securities - Summary of Estimated Fair Value of Cash, Cash Equivalents and Marketable Securities (Detail) - USD ($) $ in Thousands	Oct. 29, 2022	Jan. 29, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost, Cash and cash equivalents	$ 49,336	$ 117,223
Estimated Fair Value, Cash and cash equivalents	49,336	117,223
Amortized Cost, Marketable securities	100,056	178,551
Gross Unrealized Holding Gains, Marketable securities		531
Gross Unrealized Holding Losses, Marketable securities	(8,280)	(1,822)
Estimated Fair Value, Marketable securities	91,776	177,260
Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost, Cash and cash equivalents	43,607	99,333
Estimated Fair Value, Cash and cash equivalents	43,607	99,333
Money Market Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost, Cash and cash equivalents	5,729	17,890
Estimated Fair Value, Cash and cash equivalents	5,729	17,890
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost, Marketable securities	61,538	123,611
Gross Unrealized Holding Gains, Marketable securities		436
Gross Unrealized Holding Losses, Marketable securities	(3,775)	(851)
Estimated Fair Value, Marketable securities	57,763	123,196
State and Local Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost, Marketable securities	16,498	25,722
Gross Unrealized Holding Gains, Marketable securities		62
Gross Unrealized Holding Losses, Marketable securities	(760)	(152)
Estimated Fair Value, Marketable securities	15,738	25,632
U.S. Treasury and Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost, Marketable securities	22,020	29,218
Gross Unrealized Holding Gains, Marketable securities		33
Gross Unrealized Holding Losses, Marketable securities	(3,745)	(819)
Estimated Fair Value, Marketable securities	$ 18,275	$ 28,432

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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