Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($) Segment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 09, 2021
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Number of reportable segments | Segment	2
Marketable securities	$ 309,694,000		$ 30,465,000
Unrealized loss related to marketable securities	858,000
Property and equipment includes capitalized internal-use software development costs	2,200,000		5,200,000
Revenue, net of estimated returns, refunds and allowances	300,000		200,000
Revenue recognized related to contract liabilities	7,200,000
Amortization of deferred sales commissions	2,200,000
Advertising costs	$ 7,100,000	$ 4,200,000
Requisite service period	4 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
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
Accounting Standards Update 2020-06
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Adoption Date	Jan. 01, 2022
Other Expenses
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Unrealized loss related to marketable securities	$ (900,000)	$ 0
Level 1
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Marketable securities	$ 309,700,000		$ 30,500,000
Incom Co., LTD
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Ownership percentage				66.67%
Maximum
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Property, plant and equipment, useful life	7 years
Minimum
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Property, plant and equipment, useful life	3 years