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Summary of Significant Accounting Policies - Narrative (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2022 USD ($)	Oct. 31, 2021 USD ($)	Oct. 31, 2022 USD ($) segment	Oct. 31, 2021 USD ($)	Jan. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Amortization period for capitalized contract acquisition costs	4 years		4 years
Amortization of expense related to contract acquisition costs	$ 4,200,000	$ 4,000,000	$ 12,825,000	$ 11,779,000
Impairment charge in relation to contract acquisition costs	0	0	$ 0	0
Number of operating segments \| segment			1
Goodwill acquired	0	0	$ 0	0
Impairment charges for goodwill or long-lived assets	0	0	0	0
Advertising expense	$ 3,000,000	$ 2,400,000	$ 10,700,000	$ 8,000,000
Minimum
Finite-Lived Intangible Assets [Line Items]
Lease renewal terms	1 year		1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Lease renewal terms	3 years		3 years
Foreign Currency Cash Concentration Risk \| Cash, cash equivalents, and restricted cash \| Credit Risk
Finite-Lived Intangible Assets [Line Items]
Concentration risk percentage			21.00%		20.00%
Customer Concentration Risk \| Accounts Receivable \| One customer
Finite-Lived Intangible Assets [Line Items]
Concentration risk percentage			12.00%
Capitalized internal-use software development costs
Finite-Lived Intangible Assets [Line Items]
Useful lives of capitalized internal-use software			3 years