COMMITMENTS AND CONTINGENCIES - Additional Information (Details)	12 Months Ended
Dec. 31, 2020 USD ($)
COMMITMENTS AND CONTINGENCIES
Radio broadcasting licenses term	8 years
Noncancelable operating lease term	11 years
Other operating contracts and agreements expiry term	5 years
Contractual Obligation	$ 135,873,000
Other Operating Contracts [Member]
COMMITMENTS AND CONTINGENCIES
Contractual Obligation	82,700,000
Television Segment Certain Content Agreement [Member]
COMMITMENTS AND CONTINGENCIES
Contractual Obligation	6,900,000
Employment Agreements [Member]
COMMITMENTS AND CONTINGENCIES
Contractual Obligation	16,600,000
Standby Letters Of Credit [Member]
COMMITMENTS AND CONTINGENCIES
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability	$ 871,000

Term of Radio Broadcasting licenses.

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+ References

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Information pertaining to expiry term of other operating contracts and agreements including employment contracts, on-air talent contracts, severance obligations, retention bonuses, consulting agreements, equipment rental agreements, programming related agreements, and other general operating agreements.

+ References

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

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The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

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