Intangible Assets - Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Finite-lived Intangible Assets [Roll Forward]
Impairment charges	$ (15,544,000)	$ 0
Other	(11,053,000)
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(82,992,000)	(62,025,000)
Amortization Expense	(22,726,000)	(20,977,000)
Assets held for sale	16,000	1,000
Dispositions		9,000
Other	11,053,000
Accumulated amortization, ending balance	(94,649,000)	(82,992,000)
Total definite-lived intangibles, net	95,899,000
Net Book Value	923,295,000	962,295,000
Intangible Assets Activity [Roll Forward]
Beginning balance	1,045,287,000	1,032,002,000
Assets held for sale	(113,000)	(190,000)
Acquisition	135,000	15,000,000
Dispositions	(768,000)	(1,525,000)
Ending balance	1,017,944,000	1,045,287,000
FCC licenses
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance	823,905,000	825,590,000
Assets held for sale	(49,000)	(185,000)
Acquisition	0	0
Dispositions	(768,000)	(1,500,000)
Impairment charges	(15,544,000)
Ending balance	807,544,000	823,905,000
Net Book Value	807,544,000	823,905,000
Trademarks
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance	19,749,000	19,760,000
Assets held for sale	(32,000)	(2,000)
Acquisition	135,000	0
Dispositions	0	(9,000)
Impairment charges	0	0
Ending balance	19,852,000	19,749,000
Net Book Value	19,852,000	19,749,000
Affiliate and producer relationships
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	145,000,000	130,000,000
Assets held for sale	0	0
Acquisition	0	15,000,000
Dispositions	0	0
Impairment charges	0
Ending balance	145,000,000	145,000,000
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(43,598,000)	(30,530,000)
Amortization Expense	(14,819,000)	(13,068,000)
Assets held for sale	0	0
Dispositions		0
Other	0
Accumulated amortization, ending balance	(58,417,000)	(43,598,000)
Total definite-lived intangibles, net	86,583,000	101,402,000
Broadcast advertising
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	32,000,000	32,000,000
Assets held for sale	0	0
Acquisition	0	0
Dispositions	0	0
Impairment charges	0
Ending balance	32,000,000	32,000,000
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(22,933,000)	(16,533,000)
Amortization Expense	(6,400,000)	(6,400,000)
Assets held for sale	0	0
Dispositions		0
Other	0
Accumulated amortization, ending balance	(29,333,000)	(22,933,000)
Total definite-lived intangibles, net	2,667,000	9,067,000
Tower income contracts
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	13,580,000	13,592,000
Assets held for sale	32,000	2,000
Acquisition	0	0
Dispositions	0	(10,000)
Impairment charges	0
Ending balance	13,548,000	13,580,000
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(5,408,000)	(3,902,000)
Amortization Expense	(1,507,000)	(1,509,000)
Assets held for sale	16,000	0
Dispositions		3,000
Other	0
Accumulated amortization, ending balance	(6,899,000)	(5,408,000)
Total definite-lived intangibles, net	6,649,000	8,172,000
Other
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	11,053,000	11,060,000
Assets held for sale	0	1,000
Acquisition	0	0
Dispositions	0	(6,000)
Impairment charges	0
Other	(11,053,000)
Ending balance	0	11,053,000
Finite-Lived Intangible Assets, Accumulated Amortization Activity [Roll Forward]
Accumulated Amortization, beginning balance	(11,053,000)	(11,060,000)
Amortization Expense	0	0
Assets held for sale	0	1,000
Dispositions		6,000
Other	11,053,000
Accumulated amortization, ending balance	0	(11,053,000)
Total definite-lived intangibles, net	$ 0	$ 0