Consolidated Statements of Operations - USD ($) $ in Thousands, shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue (less agency commissions)	$ 3,281,000	$ 3,676,000	$ 2,413,000
Operating expenses before depreciation, amortization, impairment and (gain) loss on disposals of assets, net:
Depreciation	145,000	129,000	104,000
Amortization of intangible assets	194,000	207,000	117,000
Impairment of goodwill and other intangible assets	43,000	0	0
Loss (gain) on disposal of assets, net	21,000	(2,000)	42,000
Operating expenses, net	2,898,000	2,686,000	2,032,000
Operating income	383,000	990,000	381,000
Other income (expense):
Miscellaneous income (expense), net	7,000	(4,000)	(8,000)
Impairment of investments	(29,000)	(18,000)	0
Interest expense	(440,000)	(354,000)	(205,000)
Loss on early extinguishment of debt	(3,000)	0	0
Income (loss) before income taxes	(82,000)	614,000	168,000
Income tax (benefit) expense	(6,000)	159,000	78,000
Net (loss) income	(76,000)	455,000	90,000
Preferred stock dividends	52,000	52,000	52,000
Net (loss) income attributable to common stockholders	$ (128,000)	$ 403,000	$ 38,000
Basic per share information:
Net (loss) income attributable to common stockholders (in dollars per share)	$ (1.39)	$ 4.38	$ 0.4
Weighted average shares outstanding (in shares)	92	92	95
Diluted per share information:
Net (loss) income attributable to common stockholders (in dollars per share)	$ (1.39)	$ 4.33	$ 0.4
Weighted average shares outstanding (in shares)	92	93	95
Dividends declared per common share (in dollars per share)	$ 0.32	$ 0.32	$ 0.32
Broadcasting, Segment [Member]
Revenue (less agency commissions)	$ 3,195,000	$ 3,583,000	$ 2,340,000
Operating expenses before depreciation, amortization, impairment and (gain) loss on disposals of assets, net:
Cost of goods and services sold	2,268,000	2,165,000	1,548,000
Production Companies, Segment [Member]
Revenue (less agency commissions)	86,000	93,000	73,000
Operating expenses before depreciation, amortization, impairment and (gain) loss on disposals of assets, net:
Cost of goods and services sold	115,000	83,000	62,000
Other Segments [Member]
Operating expenses before depreciation, amortization, impairment and (gain) loss on disposals of assets, net:
Corporate and administrative	112,000	104,000	159,000
Depreciation	145,000	129,000	104,000
Amortization of intangible assets	$ 194,000	$ 207,000	$ 117,000