Summary of Significant Accounting Policies - Narrative (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Summary of Significant Accounting Policies [Line Items]
Unearned revenue	$ 18,200	$ 12,200
Unearned revenue recognized during the year	7,600
Programming assets, amortization expense, next twelve months	147,700
Programming assets, amortization expense, year two	112,600
Programming assets, amortization expense, year three	72,100
Programming assets, amortization expense, year four	33,600
Programming assets, amortization expense, year five	16,300
Programming assets, amortization expense, thereafter	4,800
Deferred FCC repack income	37,733	41,863
Estimated liabilities for unpaid claims	$ 10,200	$ 10,900
Antidilutive securities excluded from computation of earnings per share, performance criteria not met, shares	420,000
Anti-dilutive securities (in shares)	1,200	3,300	100
Advertising | Revenue Benchmark | Advertising
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage	67.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Summary of Significant Accounting Policies [Line Items]
Expected period of revenue recognition	12 months
Television network affiliation relationships
Summary of Significant Accounting Policies [Line Items]
Estimated useful life	20 years
Customer lists and advertiser relationships
Summary of Significant Accounting Policies [Line Items]
Estimated useful life	20 years
FCC licenses | Maximum
Summary of Significant Accounting Policies [Line Items]
FCC license term	8 years