Fair Value Measurement (Tables)

3 Months Ended

Apr. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Financial Instruments Measured at Fair Value on Recurring Basis

The following tables present the fair value hierarchy of our financial assets measured at fair value on a recurring basis as of April 30, 2023 and January 31, 2023 (in thousands): 

	As of April 30, 2023
	Level 1		Level 2		Total
Financial assets:
Money market	$	612,577	$	—	$	612,577
Corporate bonds	—		24,137		24,137
Commercial paper	—		55,690		55,690
Agency bonds	5,667		—		5,667
Total cash equivalents	618,244		79,827		698,071
Commercial paper	—		63,814		63,814
Treasury bills and U.S. government securities	369,632		—		369,632
Corporate bonds	—		24,933		24,933
Municipal bonds	—		3,731		3,731
Agency bonds	12,671		—		12,671
Total marketable securities	382,303		92,478		474,781
Total	$	1,000,547	$	172,305	$	1,172,852

	As of January 31, 2023
	Level 1		Level 2		Total
Financial assets:
Money market	$	319,801	$	—	$	319,801
Treasury bills	9,968		—		9,968
Total cash equivalents	329,769		—		329,769
Commercial paper	—		62,470		62,470
Treasury bills and U.S. government securities	234,540		—		234,540
Corporate bonds	—		46,486		46,486
Municipal bonds	—		6,308		6,308
Agency bonds	7,912		—		7,912
Total marketable securities	242,452		115,264		357,716
Total	$	572,221	$	115,264	$	687,485