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Related Party Transactions (Details) impression in Millions		1 Months Ended	12 Months Ended
	Mar. 15, 2023 shares	Jun. 30, 2021 USD ($) impression	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Revenue from related parties			$ 189,887,000	$ 230,441,000	$ 325,777,000
Outstanding receivables			48,944,000	70,969,000
Accounts payable			14,251,000	45,709,000
Verizon Ventures LLC | Buzzfeed | Verizon Ventures LLC
Defined Benefit Plan Disclosure [Line Items]
Percentage of common stock owned by related party	5.00%
Verizon Ventures LLC | Common Stock
Defined Benefit Plan Disclosure [Line Items]
Conversion of stock, shares converted (in shares) | shares	1,619,507
Related Party | Verizon Ventures LLC
Defined Benefit Plan Disclosure [Line Items]
Revenue from related parties			1,900,000	700,000	0
Related party transaction, amounts of transaction			5,900,000	6,000,000	5,800,000
Outstanding receivables				0
Accounts payable				0
NBCUniversal Media, LLC
Defined Benefit Plan Disclosure [Line Items]
Revenue from related parties			600,000	3,200,000	5,300,000
NBCUniversal Media, LLC | Related Party
Defined Benefit Plan Disclosure [Line Items]
Related party transaction, amounts of transaction			$ 0	0	$ 700,000
Outstanding receivables				200,000
Accounts payable				$ 200,000
NBCUniversal Media, LLC | Commercial Agreement
Defined Benefit Plan Disclosure [Line Items]
Minimum editorial promotion expense agreed to provide in each year		$ 1,000,000.0
Impression per year | impression		200
NBCUniversal Media, LLC | Commercial Agreement | HuffPost
Defined Benefit Plan Disclosure [Line Items]
Minimum editorial promotion expense agreed to provide in each year		$ 1,000,000.0

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