Revenues - Summary of Revenues Disaggregated by Major Source (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation Of Revenue [Line Items]
Total revenue	$ 277,445	$ 239,006
Digital Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	237,491	196,482
Broadcast Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	27,837	29,627
Spectrum Usage Rights
Disaggregation Of Revenue [Line Items]
Total revenue	1,760	2,146
Retransmission Consent
Disaggregation Of Revenue [Line Items]
Total revenue	9,155	9,623
Other
Disaggregation Of Revenue [Line Items]
Total revenue	$ 1,202	$ 1,128