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Revenues - Summary of Revenues Disaggregated by Major Source (Detail) - USD ($) $ in Thousands | 12 Months Ended
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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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