Business Combinations - Additional Information (Details) $ in Millions		1 Months Ended	6 Months Ended	12 Months Ended
	Mar. 21, 2019 USD ($)	Feb. 29, 2020 USD ($)	Dec. 31, 2020	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jul. 01, 2019 USD ($)
Business Acquisition [Line Items]
Business combination, holdback accrued interest rate			0.020	0.120
Zoosk, Inc.
Business Acquisition [Line Items]
Business combination, consideration transferred	$ 262.2
Cash consideration including holdback amount	105.0
Business combination, cash consideration holdback amount	$ 10.0			$ 1.5	$ 0.3
Escrow Deposit						$ 1.0
Acquisitions of businesses, net of cash acquired		$ 0.5