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ACQUISITIONS AND DISPOSITIONS - Additional Information (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Mar. 31, 2022
Asset Acquisition [Line Items] |  |
Radio broadcasting licenses |  | $ 21,100,000
Right of use assets |  | 1,700,000
Advertising credit liability |  | 1,900,000
Operating lease liabilities |  | 921,000
Unfavorable lease liability |  | 812,000
Land and land improvements |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 1,800,000
Towers and antennas |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 2,000,000.0
Buildings |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 517,000
Transmitters |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 1,000,000.0
Studios |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 712,000
Vehicles |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 53,000
Furniture and fixtures |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 200,000
Computer equipment |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | 67,000
Other equipment |  |
Asset Acquisition [Line Items] |  |
Property, plant and equipment |  | $ 19,000
Audacy and Gateway |  |
Asset Acquisition [Line Items] |  |
Net gain from transaction | $ 404,000 |

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