Related Party Transactions - Narrative (Details) impression in Millions	1 Months Ended	12 Months Ended
	Jun. 30, 2021 USD ($) impression	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Revenue from related parties		$ 436,674,000	$ 397,564,000	$ 321,324,000
NBCUniversal Media, LLC
Defined Benefit Plan Disclosure [Line Items]
Revenue from related parties		5,300,000	2,900,000	3,600,000
Related party transaction expenses		700,000	1,100,000	$ 800,000
Outstanding receivable		2,200,000	1,200,000
Outstanding payable		$ 0	$ 300,000
NBCUniversal Media, LLC | Commercial Agreement
Defined Benefit Plan Disclosure [Line Items]
Minimum editorial promotion expense agreed to provide in each year	$ 1,000,000
Impression per year | impression	200
Related party agreement, duration	3 years
Value of NBCU base shares	$ 400,000,000
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