Fair Value Measurements (Tables)

12 Months Ended

Jan. 31, 2022

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following table summarizes the respective fair value and the classification by level within the fair value hierarchy (in thousands):

	As of January 31, 2022
	Level 1		Level 2		Level 3		Total
Assets
Cash equivalents:
Money market funds	$	1,641,642	$	—	$	—	$	1,641,642
Short-term investments:
Certificates of deposit	—		375		—		375
Total assets measured and recorded at fair value	$	1,641,642	$	375	$	—	$	1,642,017

	As of January 31, 2021
	Level 1		Level 2		Level 3		Total
Assets
Cash equivalents:
Money market funds	$	40,518	$	—	$	—	$	40,518
Short-term investments:
Certificates of deposit	—		364		—		364
Total assets measured and recorded at fair value	$	40,518	$	364	$	—	$	40,882