Intangible Assets - Gross Carrying Amount and Accumulated Amortization (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Finite-lived Intangible Assets [Roll Forward]
Other	$ (32,000)
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(94,649)
Amortization Expense	(14,908)
Dispositions	23
Other	32,000
Accumulated amortization, ending balance	(77,534)
Intangible Assets Activity [Roll Forward]
Beginning balance	1,017,944
Dispositions	(1,389)
Ending balance	984,555
Net Book Value	907,021
FCC licenses
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance	807,544
Dispositions	(1,307)
Ending balance	806,237
Net Book Value	806,237
Trademarks
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance	19,852
Dispositions	(41)
Ending balance	19,811
Net Book Value	19,811
Affiliate and producer relationships
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	145,000
Dispositions	0
Ending balance	145,000
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(58,417)
Amortization Expense	(11,113)
Dispositions	0
Accumulated amortization, ending balance	(69,530)
Net Book Value	75,470
Broadcast advertising
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	32,000
Dispositions	0
Other	(32,000)
Ending balance	0
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(29,333)
Amortization Expense	(2,667)
Dispositions	0
Other	32,000
Accumulated amortization, ending balance	0
Net Book Value	0
Tower income contracts
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	13,548
Dispositions	(41)
Ending balance	13,507
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(6,899)
Amortization Expense	(1,128)
Dispositions	23
Accumulated amortization, ending balance	(8,004)
Net Book Value	$ 5,503