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Acquisitions and Dispositions - Additional Information (Details) - USD ($) | May 31, 2024 | Mar. 29, 2024 | Mar. 22, 2024 | Feb. 13, 2024 | Mar. 20, 2023 | Feb. 28, 2023 | Sep. 30, 2024 | Dec. 31, 2023
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Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Transactional costs | $ 121,000 |  |  |  |  |  |  |
Transaction costs adjustments | $ 88,000 |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | $ 20,044,000 | $ 19,236,000
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net |  |  |  |  |  |
WNDN-FM | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Sale of asset | $ 150,000 |  |  |  |  |  |  |
Loss on sale of asset | 20,000 |  |  |  |  |  |  |
WYSE-AM, W275CP and W248CM | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Sale of asset |  | $ 10,000 |  |  |  |  |  |
Loss on sale of asset |  | $ 147,000 |  |  |  |  |  |
FCC License for KBAI-AM | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Loss on disposal |  |  | $ 800,000 |  |  |  |  |
WPVQ AM | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Sale of asset |  |  |  |  |  | $ 2,000 |  |
Loss on sale of asset |  |  |  |  |  | $ 43,000 |  |
Loss on disposal |  |  |  |  | $ 22,000 |  |  |
Assets of WKOA (FM), WKHY (FM), WASK (FM), WXXB (FM), WASK (AM) and W269DJ from Neuhoff Communications, Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business combination consideration transferred | 5,832,000 |  |  | $ 5,300,000 |  |  |  |
Purchase price of accounts receivable | 499,000 |  |  |  |  |  |  |
Goodwill | $ 900,000 |  |  |  |  |  |  |

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