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Broadcast License, Goodwill and Other Intangible Assets (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Jun. 30, 2020 | Sep. 30, 2020 | Dec. 31, 2021
Impairment of intangible assets, finite-lived | $ 1,400,000 |  | $ 3,800,000 |
Goodwill, impairment loss | 0 | $ 0 |  |
Impairment of long-lived assets held-for-use | $ 0 | $ 0 |  |
Customer relationships [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 3 years |
Maximum [Member] |  |  |  |
Increase (decrease) in revenues |  |  | 21.40% | 10.70%
Maximum [Member] | Favorable lease agreements [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 26 years |
Maximum [Member] | Other Intangible [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 15 years |
Minimum [Member] |  |  |  |
Increase (decrease) in revenues |  |  | 10.40% |
Minimum [Member] | Forecast |  |  |  |
Increase (decrease) in revenues |  |  |  | 7.60%
Minimum [Member] | Favorable lease agreements [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 5 years |
Minimum [Member] | Other Intangible [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 1 year |

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