Broadcast License, Goodwill and Other Intangible Assets (Details) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2020	Dec. 31, 2021
Impairment of intangible assets, finite-lived	$ 3,800,000
Goodwill, impairment loss	0
Impairment of long-lived assets held-for-use	$ 0
Increase (decrease) in revenues	21.40%
Forecast
Increase (decrease) in revenues		7.60%
Customer relationships [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
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] \| 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

Increase (decrease) in revenues.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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