Background and Basis of Presentation - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended
	Dec. 13, 2021	Mar. 31, 2022	Mar. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Cost of Revenue			$ 0.4
Decrease to marketplace			0.3
Resale contribution margin			$ 0.1
Betcha
Defined Benefit Plan Disclosure [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Payments to Acquire Businesses	$ 0.8
Cash Earnouts	7.5
Future Milestone Payments	$ 9.7
Class A Common Stock
Defined Benefit Plan Disclosure [Line Items]
Issuance of shares		75,072
Class A Common Stock | Betcha
Defined Benefit Plan Disclosure [Line Items]
Stock issued during period, shares	2,100,000