Fair Value Measurements (Tables)

9 Months Ended

Oct. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities measured at fair value on a recurring basis

The following tables present information about the Company’s financial assets and liabilities that have been measured at fair value on a recurring basis as of October 31, 2021 and January 31, 2021 and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value (in thousands):

	Fair Value Measurement as of October 31, 2021
	Level 1		Level 2		Level 3		Total
Financial Assets:
Cash and cash equivalents:
Money market funds	$	631,924	$	—	$	—	$	631,924
Short-term investments:
U.S. government treasury securities	1,054,746		—		—		1,054,746
Total financial assets	$	1,686,670	$	—	$	—	$	1,686,670

	Fair Value Measurement as of January 31, 2021
	Level 1		Level 2		Level 3		Total
Financial Assets:
Cash and cash equivalents:
Money market funds	$	330,109	$	—	$	—	$	330,109
Short-term investments:
U.S. government treasury securities	528,045		—		—		528,045
Total financial assets	$	858,154	$	—	$	—	$	858,154