Summary of Significant Accounting Policies - Additional Information (Details)		12 Months Ended
	Jan. 01, 2020 USD ($)	Dec. 31, 2021 USD ($) Customer	Dec. 31, 2020 USD ($) Customer	Dec. 31, 2019 USD ($) Customer
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable including unbilled receivables		$ 13,100,000	$ 7,500,000
Concentration risk, number of customer | Customer		1	1	1
Advertising expenses		$ 16,800,000	$ 12,900,000	$ 11,800,000
First contingent compensation arrangement payments over the service period		12 months
Second contingent compensation arrangement payments over the service period		24 months
Acquisition related expenses		$ 23,299,000	$ 0.0	$ 0.0
Acquisition related spend		1,800,000
Business combination compensation expense related to contingent compensation		21,500,000
Accrued interest or penalties related to unrecognized tax benefits		$ 0
Customer Concentration Risk | Revenue | One Strategic Partner
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage		14.00%	15.00%	12.00%
Customer Concentration Risk | Accounts Receivable | One Strategic Partner
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage		19.00%	24.00%	20.00%
ASU 2016-13
Summary Of Significant Accounting Policies [Line Items]
Increase in the allowance for credit losses	$ 400,000
ASU 2020-06
Summary Of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]		true
Change in Accounting Principle, Accounting Standards Update, Adoption Date		Jan. 01, 2021
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]		true
Minimum
Summary Of Significant Accounting Policies [Line Items]
Account receivable payment terms			due immediately
Maximum
Summary Of Significant Accounting Policies [Line Items]
Account receivable payment terms			due within 90 days
Measurement period from acquisition date		1 year