ACQUISITIONS AND DISPOSITIONS - Additional Information (Details)			3 Months Ended							6 Months Ended		9 Months Ended		12 Months Ended
	Aug. 31, 2022 USD ($)	Apr. 20, 2021 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 13, 2022 USD ($)	Nov. 06, 2020 item
Asset Acquisition [Line Items]
Assets held for sale																$ 3,200,000
Net Revenue			$ 121,250,000	$ 118,657,000	$ 112,131,000	$ 130,475,000	$ 111,234,000	$ 107,365,000	$ 91,211,000	$ 230,788,000	$ 198,576,000	$ 352,038,000	$ 309,810,000	$ 484,604,000	$ 440,285,000
Operating income (loss)			$ 17,974,000	$ 25,863,000	$ 36,538,000	$ 20,287,000	$ 34,475,000	$ 37,920,000	$ 23,757,000	$ 62,401,000		$ 80,375,000		94,687,000	116,439,000
WFUN FM
Asset Acquisition [Line Items]
Number of radio stations transferred | item																	3
Proceeds from assets sold		$ 8,000,000.0
Assets, held for sale, tangible and intangible disposed		8,000,000.0
Indiana Radio Cluster Asset Acquisition [Member]
Asset Acquisition [Line Items]
Asset acquisition transaction price	$ 25,000,000
Radio broadcasting licenses	23,600,000
Intangible asset	87,000
Right of use assets	1,200,000
Goodwill, asset acquisition	437,000
Operating lease liabilities	1,200,000
Net Revenue														5,600,000
Operating income (loss)														1,200,000
Indiana Radio Cluster Asset Acquisition [Member] | WHHH radio broadcasting license and intellectual property related to WNOW | Disposal group, disposed of by sale, not discontinued operations
Asset Acquisition [Line Items]
Net loss recognized related to disposal transaction														$ 120,000
Disposal Group Not Discontinued Operation Gain (Loss) On Disposal Statement Of Income Extensible List Not Disclosed Flag														true
Indiana Radio Cluster Asset Acquisition [Member] | Towers and antennas
Asset Acquisition [Line Items]
Property, plant and equipment	162,000
Indiana Radio Cluster Asset Acquisition [Member] | Transmitters
Asset Acquisition [Line Items]
Property, plant and equipment	326,000
Indiana Radio Cluster Asset Acquisition [Member] | Studios
Asset Acquisition [Line Items]
Property, plant and equipment	209,000
Indiana Radio Cluster Asset Acquisition [Member] | Vehicles
Asset Acquisition [Line Items]
Property, plant and equipment	111,000
Indiana Radio Cluster Asset Acquisition [Member] | Furniture, fixtures, computer equipment and computer software
Asset Acquisition [Line Items]
Property, plant and equipment	$ 27,000
Audacy and Gateway
Asset Acquisition [Line Items]
Net gain from transaction															$ 404,000
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
Audacy and Gateway | Land and land improvements
Asset Acquisition [Line Items]
Property, plant and equipment		1,800,000
Audacy and Gateway | Towers and antennas
Asset Acquisition [Line Items]
Property, plant and equipment		2,000,000.0
Audacy and Gateway | Buildings
Asset Acquisition [Line Items]
Property, plant and equipment		517,000
Audacy and Gateway | Transmitters
Asset Acquisition [Line Items]
Property, plant and equipment		1,000,000.0
Audacy and Gateway | Studios
Asset Acquisition [Line Items]
Property, plant and equipment		712,000
Audacy and Gateway | Vehicles
Asset Acquisition [Line Items]
Property, plant and equipment		53,000
Audacy and Gateway | Furniture and fixtures
Asset Acquisition [Line Items]
Property, plant and equipment		200,000
Audacy and Gateway | Computer equipment
Asset Acquisition [Line Items]
Property, plant and equipment		67,000
Audacy and Gateway | Other equipment
Asset Acquisition [Line Items]
Property, plant and equipment		$ 19,000