Cash, Cash Equivalents and Marketable Securities - Summary of Gross Unrealized Holding Losses and Fair Value for Investments in an Unrealized Loss Position (Detail) - USD ($) $ in Thousands	Jan. 29, 2022	Jan. 30, 2021
Schedule of Available-for-sale Securities [Line Items]
Marketable securities, Fair Value, Less Than 12 Months	$ 100,209	$ 39,721
Marketable securities, Fair Value, 12 Months or Greater	1,691
Marketable securities, Fair Value, Total	101,900	39,721
Marketable securities, Unrealized Losses, Less Than 12 Months	(1,786)	(62)
Marketable securities, Unrealized Losses, 12 Months or Greater	(36)
Marketable securities, Unrealized Losses, Total	(1,822)	(62)
U.S. Treasury and Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Marketable securities, Fair Value, Less Than 12 Months	20,683	3,653
Marketable securities, Fair Value, 12 Months or Greater	1,622
Marketable securities, Fair Value, Total	22,305	3,653
Marketable securities, Unrealized Losses, Less Than 12 Months	(785)	(24)
Marketable securities, Unrealized Losses, 12 Months or Greater	(34)
Marketable securities, Unrealized Losses, Total	(819)	(24)
Corporate Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Marketable securities, Fair Value, Less Than 12 Months	63,887	36,068
Marketable securities, Fair Value, 12 Months or Greater	69
Marketable securities, Fair Value, Total	63,956	36,068
Marketable securities, Unrealized Losses, Less Than 12 Months	(849)	(38)
Marketable securities, Unrealized Losses, 12 Months or Greater	(2)
Marketable securities, Unrealized Losses, Total	(851)	$ (38)
State and Local Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Marketable securities, Fair Value, Less Than 12 Months	15,639
Marketable securities, Fair Value, Total	15,639
Marketable securities, Unrealized Losses, Less Than 12 Months	(152)
Marketable securities, Unrealized Losses, Total	$ (152)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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