Cash, Cash Equivalents and Short-Term Investments (Tables)

6 Months Ended

Jul. 31, 2023

Cash and Cash Equivalents [Abstract]

Schedule of Short Term Investments

The following table summarizes the Company’s cash, cash equivalents and short-term investments by category (in thousands):

	As of July 31, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash and cash equivalents:
Cash	$	126,196	$	—	$	—	$	126,196
Money market funds	117,628		—		—		117,628
U.S. Treasury securities	18,485		—		—		18,485
Commercial paper	10,919		—		(3)		10,916
Total cash and cash equivalents	$	273,228	$	—	$	(3)	$	273,225
Short-term investments:
Commercial paper	83,957		—		(77)		83,880
Corporate debt securities	177,000		2		(1,148)		175,854
Foreign government bonds	2,235		—		(19)		2,216
U.S. Agency securities	67,567		—		(445)		67,122
U.S. Treasury securities	385,848		1		(1,863)		383,986
Total short-term investments	$	716,607	$	3	$	(3,552)	$	713,058

	As of January 31, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Cash and cash equivalents:
Cash	$	232,332	$	—	$	—	$	232,332
Money market funds	60,073		—		—		60,073
U.S. Agency securities	2,997		—		—		2,997
Total cash and cash equivalents	$	295,402	$	—	$	—	$	295,402
Short-term investments:
Commercial paper	88,703		18		(112)		88,609
Corporate debt securities	95,805		33		(572)		95,266
Municipal bonds	1,989		—		(19)		1,970
Foreign government bonds	2,211		—		(41)		2,170
U.S. Agency securities	74,158		2		(435)		73,725
U.S. Treasury securities	383,238		—		(3,729)		379,509
Total short-term investments	$	646,104	$	53	$	(4,908)	$	641,249

Schedule of Unrealized Losses Cash Equivalents and Short Term Investment

The following table summarizes unrealized losses on the Company’s cash equivalents and short-term investments aggregated by category and the length of time such aggregated investments have been in a continuous unrealized loss position as of the periods presented (in thousands):

	Less Than 12 Months				More Than 12 Months or Greater				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
July 31, 2023
U.S. Agency securities	$	63,223	$	(444)	$	3,899	$	(1)	$	67,122	$	(445)
Commercial paper	86,797		(80)		—		—		86,797		(80)
Corporate debt securities	153,562		(969)		18,869		(179)		172,431		(1,148)
Foreign government bonds	—		—		2,216		(19)		2,216		(19)

U.S. Treasury securities	263,148		(906)		92,567		(957)		355,715		(1,863)
Total cash equivalents and short-term investments	$	566,730	$	(2,399)	$	117,551	$	(1,156)	$	684,281	$	(3,555)

	Less Than 12 Months				More Than 12 Months or Greater				Total
	Carrying Value		Gross Unrealized Losses		Carrying Value		Gross Unrealized Losses		Fair Value		Gross Unrealized Losses
January 31, 2023
U.S. Agency securities	$	73,724	$	(435)	$	—	$	—	$	73,724	$	(435)
Commercial paper	45,015		(112)		—		—		$	45,015	$	(112)
Corporate debt securities	75,203		(572)		—		—		$	75,203	$	(572)
Municipal bonds	1,970		(19)		—		—		$	1,970	$	(19)
Foreign government bonds	2,170		(41)		—		—		$	2,170	$	(41)
U.S. Treasury securities	379,509		(3,729)		—		—		$	379,509	$	(3,729)
Total cash equivalents and short-term investments	$	577,591	$	(4,908)	$	—	$	—	$	577,591	$	(4,908)

Schedule of Short Term Investments by Contractual Maturity

The following table classifies the Company’s short-term investments by contractual maturities (in thousands):

	July 31, 2023				January 31, 2023
	Amortized cost		Fair Value		Amortized cost		Fair Value
Due within 1 year	$	587,035	$	584,491	$	480,943	$	477,520
Due between 1 year to 2 years	129,572		128,567		165,161		163,729
Total	$	716,607	$	713,058	$	646,104	$	641,249