Fair Value Measurements (Tables)

12 Months Ended

Jan. 31, 2021

Fair Value Disclosures [Abstract]

Summary of Fair Value Hierarchy for Financial Assets Measured on a Recurring Basis

The following tables summarize our fair value hierarchy for our financial assets measured at fair value on a recurring basis (in thousands):

	As of January 31, 2021
	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	85,664	$	—	$	—	$	85,664
Short-term investments:
U.S. government securities	$	—	$	18,035	$	—	$	18,035
Corporate bonds	—		25,893		—		25,893
Commercial paper	—		48,556		—		48,556
Total short-term investments	$	—	$	92,484	$	—	$	92,484

	As of January 31, 2020
	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	37,906	$	—	$	—	$	37,906
Short-term investments:
U.S. government securities	$	—	$	34,094	$	—	$	34,094
Corporate bonds	—		45,682		—		45,682
Commercial paper	—		37,886		—		37,886
Total short-term investments	$	—	$	117,662	$	—	$	117,662