Summary of Significant Accounting Policies - Additional Information (Details)	1 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares	Jan. 31, 2023 USD ($) Segment shares	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Proceeds from initial public offering, net of underwriting discounts and commissions	$ 1,247,000,000	$ 0	$ 1,252,974,000	$ 0
Class A common stock voting power		0.67
Conversion of redeemable convertible preferred stock to common stock upon initial public offering	349,100,000
Restricted cash		$ 0	1,800,000
Contract assets		$ 4,900,000	2,900,000
Sales commissions amortization period		5 years
Deferred offering costs	$ 6,000,000.0
Advertising costs		$ 11,100,000	6,300,000	2,200,000
Impairment charge		$ 0	0	$ 0
Number of operating segments | Segment		1
Number of reportable segments | Segment		1
Employer contributions under 401(k) plan		$ 0
Computer Software, Intangible Asset
Summary Of Significant Accounting Policies [Line Items]
Internal-use software, useful life (in years)		5 years
Accounts Receivable | Customer Concentration Risk | Largest Customer
Summary Of Significant Accounting Policies [Line Items]
Percentage of accounts receivable		11.00%
Restricted stock units outstanding
Summary Of Significant Accounting Policies [Line Items]
Cumulative stock-based compensation expense		$ 190,500,000	$ 190,500,000
IPO
Summary Of Significant Accounting Policies [Line Items]
Shares issued underwriters' overallotment option (in shares) | shares	1,230,000
Commission and discounts	$ 69,400,000
Common Class A
Summary Of Significant Accounting Policies [Line Items]
Conversion of convertible stock to common stock (shares) common stock upon initial public offering (in shares) | shares		50,424,950
Common Class A | IPO
Summary Of Significant Accounting Policies [Line Items]
Number of stock issued during the period (in shares) | shares	16,530,000
Shares issued, price per share | $ / shares	$ 80.00
Redeemable Convertible Preferred Stock | IPO
Summary Of Significant Accounting Policies [Line Items]
Conversion of convertible stock to common stock (shares) common stock upon initial public offering (in shares) | shares	94,127,984
Minimum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful lives		3 years
Subscription revenue from contracts generate period		1 year
Contract with customer, customer payments term		30 days
Maximum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful lives		5 years
Subscription revenue from contracts generate period		3 years
Contract with customer, customer payments term		60 days