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Revenues - Summary of Revenues Disaggregated by Major Source (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation Of Revenue [Line Items]
Total revenue	$ 364,948	$ 297,043	$ 323,990
Digital Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	173,720	122,906	114,884
Broadcast Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	143,515	124,722	161,713
Spectrum Usage Rights
Disaggregation Of Revenue [Line Items]
Total revenue	6,884	8,156	6,036
Retransmission Consent
Disaggregation Of Revenue [Line Items]
Total revenue	33,880	36,556	36,022
Other
Disaggregation Of Revenue [Line Items]
Total revenue	$ 6,949	$ 4,703	$ 5,335

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