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COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Feb. 19, 2021	Feb. 24, 2015
COMMITMENTS AND CONTINGENCIES
Radio broadcasting licenses term	8 years
Royalty Agreements | RMLC and GMR
COMMITMENTS AND CONTINGENCIES
License term	4 years
Optional extension terms of license	3 years
Standby Letters of Credit
COMMITMENTS AND CONTINGENCIES
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability	$ 0.8
ABL Facility
COMMITMENTS AND CONTINGENCIES
Letter of credit facility, maximum capacity	$ 5.0	$ 5.0	$ 1.2

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- Definition

Term of Radio Broadcasting licenses.

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- Definition

Maximum borrowing capacity under the letter of credit facility subject to certain limitations on availability.

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- Definition

The license terms related to Royalty Agreement.

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The optional extension terms of license related to Royalty Agreement.

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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.

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