Financial Instruments and Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, Impairment Loss					$ (15,433)	$ (21,786)
Zoosk, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, Impairment Loss	$ (15,400)			$ (21,800)
Zoosk, Inc. | Brands and trademarks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Impairment Charges			$ (15,100)	$ (10,300)
Brands and trademarks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accumulated Impairment Charges					$ (51,151)	$ (36,360)
Brands and trademarks | Zoosk, Inc.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill, Impairment Loss	$ (3,000)	$ (11,800)