Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020	Mar. 15, 2021
Significant Accounting Policies [Line Items]
Net gain (loss) on foreign currency transaction	$ (1,000)	$ 568	$ (523)
Advertising expense	15,400	7,700	2,900
Capitalized software development cost	$ 11,900	10,500	8,400
Subscriptions revenue contracts term	3 years
Accounts receivable, net of allowances	$ 226,191	196,009
Unbilled receivables	13,900	24,200
Unbilled receivables, long-term	1,900	7,100
Revenue expected to be recognized from remaining performance obligation	1,283,700
Revenue recognized from performance obligations satisfied in prior periods	$ 1,600
Revenue recognized from deferred revenue		352,900	253,200
Deferred commission, amortization period	5 years
Deferred commissions	$ 35,900	24,200	26,200
Amortization of deferred commissions	$ 18,600	$ 14,700	$ 9,600
Ownership percentage				51.00%
Maximum
Significant Accounting Policies [Line Items]
Payment terms of customers	30 days
2016 Employee Stock Purchase Plan
Significant Accounting Policies [Line Items]
Share based compensation expense recognition and offering period	24 months
Variable Interest Entity, Primary Beneficiary
Significant Accounting Policies [Line Items]
Ownership percentage	51.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-02-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue expected to be recognized from remaining performance obligation with in next 24 months	75.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	24 months
Furniture and Equipment | Minimum
Significant Accounting Policies [Line Items]
Estimated useful life	3 years
Furniture and Equipment | Maximum
Significant Accounting Policies [Line Items]
Estimated useful life	5 years
Leasehold Improvements
Significant Accounting Policies [Line Items]
Estimated useful life	5 years