Fair Value Measurements (Tables)

12 Months Ended

Jan. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following table summarizes information about our cash, cash equivalents, and investments by investment category for the periods presented (in thousands):

	As of January 31, 2024
	Fair Value Level	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Assets
Cash and cash equivalents:
Cash		$	43,925	$	—	$	—	$	43,925
Money market funds	Level 1	204,481		—		—		204,481
Certificates of deposit	Level 2	8,245		—		—		8,245
Total cash and cash equivalents		$	256,651	$	—	$	—	$	256,651
Short-term investments:
US Treasury securities	Level 1	$	234,776	$	—	$	(1,053)	$	233,723
Corporate notes and bonds	Level 2	279,248		12		(1,068)		278,192
US agency securities	Level 2	157,873		18		(501)		157,390
Total short-term investments		$	671,897	$	30	$	(2,622)	$	669,305
Long-term investments:
US Treasury securities	Level 1	$	27,175	$	121	$	—	$	27,296
Corporate notes and bonds	Level 2	69,970		279		(67)		70,182
US agency securities	Level 2	90,924		303		(48)		91,179
Total long-term investments		$	188,069	$	703	$	(115)	$	188,657
Total assets measured at fair value		$	1,116,617	$	733	$	(2,737)	$	1,114,613

	As of January 31, 2023
	Fair Value Level	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Assets
Cash and cash equivalents:
Cash		$	35,055	$	—	$	—	$	35,055
Money market funds	Level 1	102,886		—		—		102,886
Total cash and cash equivalents		$	137,941	$	—	$	—	$	137,941
Short-term investments:
US Treasury securities	Level 1	$	144,392	$	1	$	(501)	$	143,892
Commercial paper	Level 2	230,305		30		(667)		229,668
Corporate notes and bonds	Level 2	38,443		15		(148)		38,310
US agency securities	Level 2	74,060		3		(349)		73,714
Total short-term investments		$	487,200	$	49	$	(1,665)	$	485,584
Long-term investments:
US Treasury securities	Level 1	$	192,337	$	—	$	(2,460)	$	189,877
Corporate notes and bonds	Level 2	233,946		178		(2,029)		232,095
US agency securities	Level 2	101,844		27		(921)		100,950
Total long-term investments		$	528,127	$	205	$	(5,410)	$	522,922
Total assets measured at fair value		$	1,153,268	$	254	$	(7,075)	$	1,146,447