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Amount of impairment loss on investment in equity security without readily determinable fair value.

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Related Party Transactions (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions				1 Months Ended		9 Months Ended
	Mar. 08, 2024	Mar. 06, 2024	Aug. 07, 2020	Feb. 29, 2024	Mar. 31, 2019	Sep. 30, 2025
Related Party Transaction [Line Items]
Impairment charge related to investments, annual amount						$ 50.0
Class A Common Stock
Related Party Transaction [Line Items]
Repurchases of stock - repurchase program (in shares)						4.9
Related Party
Related Party Transaction [Line Items]
Related party transaction amount					$ 2.3
Interest rate, related party debt			0.41%		2.59%
Repayment of related party note	$ 2.3
Related Party \| Humans Inc.
Related Party Transaction [Line Items]
Impairment charge related to investments, annual amount						$ 50.0
Related Party \| Humans Inc. \| Revenue Recognized From Use Of Advertising Solutions
Related Party Transaction [Line Items]
Related party transaction amount						$ 0.0
Related Party \| Class A Common Stock \| KKR Denali
Related Party Transaction [Line Items]
Repurchases of stock - repurchase program (in shares)		10.5
Repurchased shares (in dollar per share)		$ 54.46
Shares issued (in shares)				16.0
Related Party \| Class B Common Stock \| KKR Denali
Related Party Transaction [Line Items]
Shares converted (in shares)				16.0
Related Party \| Series C Preferred Stock \| Humans Inc. \| Investment Agreement
Related Party Transaction [Line Items]
Related party transaction amount				$ 50.0
Secondary Offering \| KKR Denali
Related Party Transaction [Line Items]
Number of shares issued in transaction (in shares)				19.9