Leases - Narrative (Details) $ in Millions	12 Months Ended
	Jan. 31, 2022 USD ($) renewalOption	Jan. 31, 2021 USD ($)
Other Commitments [Line Items]
Number of renewal options | renewalOption	2
Operating lease renewal term	5 years
Weighted average remaining lease term	5 years 10 months 24 days	6 years 9 months 18 days
Weighted average discount rate	5.50%	5.60%
Operating lease payments	$ 39.6	$ 31.1
Operating lease not yet commenced, undiscounted future payments	$ 9.9
Minimum
Other Commitments [Line Items]
Operating lease not yet commenced, term of contract	1 year 2 months 12 days
Maximum
Other Commitments [Line Items]
Operating lease not yet commenced, term of contract	6 years 4 months 24 days
San Francisco - Ten Year Lease
Other Commitments [Line Items]
Operating lease term	10 years