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Revenues - Summary of Revenues Disaggregated by Major Source (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation Of Revenue [Line Items]
Total revenue	$ 100,735	$ 82,654	$ 192,586	$ 160,830
Digital Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	63,255	41,068	120,048	79,290
Broadcast Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	26,644	29,857	50,741	57,694
Spectrum Usage Rights
Disaggregation Of Revenue [Line Items]
Total revenue	1,781	1,625	3,567	3,385
Retransmission Consent
Disaggregation Of Revenue [Line Items]
Total revenue	7,708	8,825	15,784	17,980
Other
Disaggregation Of Revenue [Line Items]
Total revenue	$ 1,347	$ 1,279	$ 2,446	$ 2,481

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