Marketable Securities (Tables)

12 Months Ended

Jan. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities

The following is a summary of our marketable securities (in thousands):

	As of January 31, 2024
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Treasury bills and U.S government securities	641,263		29		(100)		641,192
Corporate bonds	1,993		—		(2)		1,991
Agency bonds	174,990		—		(28)		174,962
Total marketable securities	$	818,246	$	29	$	(130)	$	818,145

	As of January 31, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Commercial paper	$	62,470	$	—	$	—	$	62,470
Treasury bills and U.S government securities (1)	$	234,848	$	—	$	(308)	$	234,540
Corporate bonds	46,684		—		(198)		46,486
Municipal bonds	6,374		—		(66)		6,308
Agency bonds	7,959		—		(47)		7,912
Total marketable securities	$	358,335	$	—	$	(619)	$	357,716
(1) Treasury bills with both amortized cost and estimated fair value of $10.0 million are included in cash and cash equivalents due to their original maturity of three months or less.