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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) Segment	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Number of reportable segments \| Segment			2
Marketable securities	$ 216,605,000		$ 216,605,000		$ 215,352,000
Property and equipment includes capitalized internal-use software development costs			12,700,000		19,700,000
Revenue, net of estimated returns, refunds and allowances	100,000		100,000		100,000
Revenue recognized related to contract liabilities			6,500,000
Amortization of deferred sales commissions	1,300,000	$ 2,000,000	5,700,000	$ 6,000,000
Deferred sales contract acquisition costs	600,000		600,000		3,100,000
Advertising costs	$ 9,400,000	$ 7,700,000	$ 26,500,000	$ 23,400,000
Maximum
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Requisite service period			4 years
Property, plant and equipment, useful life	9 years		9 years
Minimum
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Requisite service period			3 years
Property, plant and equipment, useful life	2 years		2 years
Sales Contract Acquisition Costs \| New Customers
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Sales contract acquisition costs, amortization period	2 years		2 years
Sales Contract Acquisition Costs \| Existing Customers
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Sales contract acquisition costs, amortization period over contract renewal			1 year
Level 1
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Marketable securities	$ 216,600		$ 216,600		$ 215,400
Incom Co., LTD
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Ownership percentage	66.67%		66.67%