Organization and Business Operations (Details)	12 Months Ended
	Dec. 31, 2022 Market Website NetworkService Application TelevisionStation RadioStation State Channel	Sep. 30, 2022
Organization And Business Operations [Line Items]
Number of full power television stations owned, operated, programmed or provided sales and other services	199
Number of markets in which the Company's stations broadcast | Market	116
Number of states in which the Company's stations broadcast | State	39
Number of television station owned by an unconsolidated VIE	1
Number of multicast network services owned and operated | NetworkService	2
Number of television stations owned by consolidated VIEs	35
Number of mobile applications | Application	280
Number of AM radio station | RadioStation	1
Percentage of US television household reach	39.00%
Connected television application | Application	22
Number of ad supported television channels | Channel	6
Minimum [Member]
Organization And Business Operations [Line Items]
Number of local websites | Website	140
2022 Acquisition of The CW [Member]
Organization And Business Operations [Line Items]
Percentage of outstanding equity acquired	75.00%	75.00%
TV Food Network [Member]
Organization And Business Operations [Line Items]
Ownership stake	31.30%