Marketable Securities (Tables)

12 Months Ended

Jan. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Available-For-Sale Marketable Securities

The following is a summary of available-for-sale marketable securities, excluding those securities classified within cash and cash equivalents on the consolidated balance sheets:

	January 31, 2023
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Losses		Fair Value
Corporate bonds	$	39,922	$	8	$	(68)	$	39,862
Municipal bonds	12,429		22		—		12,451
U.S. government and agency securities	128,898		6		(367)		$	128,537
Certificates of deposit	59,545		28		(155)		$	59,419
Commercial paper	150,131		41		(202)		149,970
Marketable securities	$	390,925	$	105	$	(791)	$	390,239

	January 31, 2022
(in thousands)	Amortized Cost		Unrealized Gain		Unrealized Losses		Fair Value
Corporate bonds	$	124,639	$	1	$	(163)	$	124,477
U.S. government and agency securities	37,725		—		(35)		37,690
Commercial paper	48,818		—		(2)		48,816
Marketable securities	$	211,182	$	1	$	(200)	$	210,983

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value

The following table presents estimated fair value and gross unrealized losses of debt securities in an unrealized loss position for which an allowance for credit losses has not been recorded, aggregated by security category and length of time such securities have been in a continuous unrealized loss position as of January 31, 2023. There are no securities that have been in an unrealized loss position for greater than 12 months. There are no expected credit losses that have been recorded against the Company’s investment securities as of January 31, 2023.

	Less Than One Year
	Fair Value		Gross Unrealized Losses
Corporate bonds	$	39,862	$	(68)
U.S. government and agency securities	$	128,537	$	(367)
Certificate of deposits	$	59,419	$	(155)
Commercial paper	$	149,970	$	(202)