Revenues - Summary of Revenues Disaggregated by Major Source (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 1,106,867	$ 956,209	$ 760,192
Digital Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	932,730	747,103	555,338
Broadcast Advertising
Disaggregation Of Revenue [Line Items]
Total revenue	124,722	161,713	154,297
Spectrum Usage Rights
Disaggregation Of Revenue [Line Items]
Total revenue	8,156	6,036	6,195
Retransmission Consent
Disaggregation Of Revenue [Line Items]
Total revenue	36,556	36,022	37,041
Other
Disaggregation Of Revenue [Line Items]
Total revenue	$ 4,703	$ 5,335	$ 7,321