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Broadcast Licenses, Goodwill and Other Intangible Assets (Changes to Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Broadcast Licenses, Goodwill and Other Intangible Assets
Goodwill, Beginning Balance	$ 19,209	$ 19,106
Acquisitions	27	103
Goodwill, Ending Balance	$ 19,236	$ 19,209

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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