RESTATEMENT OF FINANCIAL STATEMENTS (Details) - USD ($)					3 Months Ended										6 Months Ended		9 Months Ended		12 Months Ended
	Oct. 01, 2022	Sep. 30, 2022	Jan. 01, 2022	Oct. 01, 2021	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt securities, available-for-sale								$ 112,600,000											$ 136,826,000	$ 112,600,000
Other assets		$ 6,434,000			$ 6,434,000	$ 6,658,000	$ 6,285,000	6,956,000	$ 25,341,000	$ 5,583,000	$ 5,523,000				$ 6,658,000	$ 5,583,000	$ 6,434,000	$ 25,341,000	5,688,000	6,956,000
Deferred tax liabilities, net		31,284,000			31,284,000	30,368,000	26,843,000	18,877,000	19,115,000	11,778,000	4,299,000				30,368,000	11,778,000	31,284,000	19,115,000	39,704,000	18,877,000
Accumulated other comprehensive income		57,225,000			57,225,000	62,921,000	62,846,000	54,950,000	53,551,000	50,239,000	46,847,000				62,921,000	50,239,000	57,225,000	53,551,000	73,227,000	54,950,000
Radio broadcasting licenses		495,832,000			495,832,000	487,640,000	501,420,000	501,420,000	503,524,000	503,524,000	482,442,000				487,640,000	503,524,000	495,832,000	503,524,000	488,419,000	501,420,000
Accumulated deficit		(733,844,000)			(733,844,000)	(737,251,000)	(753,824,000)	(770,317,000)	(775,603,000)	(789,488,000)	(807,101,000)				(737,251,000)	(789,488,000)	(733,844,000)	(775,603,000)	(732,988,000)	(770,317,000)
Impairment of long-lived assets					15,450,000	14,905,000		2,104,000							14,905,000		30,355,000		40,683,000	2,104,000
Provision (benefit) for income taxes					3,170,000	4,214,000	5,462,000	424,000	6,248,000	6,372,000	(10,000)				9,676,000	6,362,000	12,846,000	12,610,000	16,721,000	13,034,000
Comprehensive income					(2,289,000)	16,648,000	24,389,000	6,685,000	17,197,000	21,005,000	(901,000)				41,037,000	20,104,000	38,748,000	37,301,000	55,606,000	43,986,000
Net income (loss) attributable to common stockholders					3,407,000	16,573,000	16,493,000	5,286,000	13,885,000	17,613,000	7,000				33,066,000	17,620,000	36,473,000	31,505,000	37,329,000	36,791,000
Deferred income taxes							5,462,000				(10,000)				8,962,000	6,361,000	11,682,000	12,610,000	14,878,000	11,971,000
Net cash flows provided by operating activities							15,734,000				14,293,000				43,624,000	51,492,000	54,067,000	36,264,000	67,060,000	80,150,000
Net cash flows provided by investing activities																			(28,683,000)	1,714,000
Net cash flows provided by financing activities																			(95,216,000)	(3,504,000)
Deferred rent																						$ 1,300,000
Right of use assets		34,131,000			34,131,000	34,035,000	36,201,000	37,956,000	39,481,000	42,140,000	40,372,000				34,035,000	42,140,000	34,131,000	39,481,000	31,879,000	37,956,000
REDEEMABLE NONCONTROLLING INTERESTS		22,327,000			22,327,000	20,434,000	20,227,000	18,655,000	19,328,000	17,649,000	14,524,000				20,434,000	17,649,000	22,327,000	19,328,000	25,298,000	18,655,000
Additional paid-in capital		994,591,000			994,591,000	992,934,000	1,018,239,000	1,018,996,000	1,018,961,000	1,021,001,000	1,001,905,000				992,934,000	1,021,001,000	994,591,000	1,018,961,000	993,484,000	1,018,996,000
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
Selling, general and administrative, including stock-based compensation of $239 and $31, respectively					40,923,000	35,193,000	35,210,000	48,097,000	32,873,000	31,282,000	29,758,000				70,403,000	61,040,000	111,326,000	93,913,000	160,230,000	142,010,000
Net operating loss carryforwards								109,343,000											88,813,000	109,343,000
Interest expense carryforward								20,380,000											23,788,000	20,380,000
Decrease to accumulated amortization of content assets																			(43,533,000)	(47,126,000)
Other liabilities							(3,491,000)				(832,000)				(5,017,000)	2,303,000	3,317,000	5,463,000	(3,710,000)	(1,288,000)
Radio Broadcasting Licenses [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Radio broadcasting licenses																			488,400,000
Impairment of indefinite lived intangible assets	$ 7,400,000	15,500,000		$ 2,100,000		3,700,000									10,600,000				$ 33,443,000	2,104,000
Fair value adjustment understated (overstated)												$ (2,300,000)	$ 2,800,000							2,100,000		$ 1,100,000
Radio Broadcasting Licenses [Member] | Atlanta Dallas Houston And Raleigh Market Radio Broadcasting Licenses [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Fair value adjustment understated (overstated)					1,000,000.0	1,700,000
Radio Broadcasting Licenses [Member] | INDIANA
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Impairment of indefinite lived intangible assets						1,900,000
Radio broadcast license impairment | Radio Broadcasting Licenses [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Impairment of long-lived assets								(2,100,000)
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Other assets		(40,000,000)			(40,000,000)	(40,000,000)	(40,000,000)	(40,000,000)	(40,000,000)	(40,000,000)	(40,000,000)				(40,000,000)	(40,000,000)	(40,000,000)	(40,000,000)		(40,000,000)
Deferred tax liabilities, net		18,259,000			18,259,000	20,012,000	19,987,000	17,617,000	17,505,000	12,493,000	5,002,000				20,012,000	12,493,000	18,259,000	17,505,000		17,617,000
Deferred income tax assets										(3,933,000)	(10,051,000)					(3,933,000)
Accumulated other comprehensive income		57,225,000			57,225,000	62,921,000	62,846,000	54,950,000	53,551,000	50,239,000	46,847,000				62,921,000	50,239,000	57,225,000	53,551,000		54,950,000
Accumulated deficit		$ 116,000			116,000	167,000	167,000	33,000	(256,000)	(265,000)					167,000	(265,000)	116,000	(256,000)		33,000
Provision (benefit) for income taxes					51,000		(134,000)	(289,000)	(9,000)	265,000					(134,000)	265,000	(83,000)	256,000		(33,000)
Comprehensive income					(5,747,000)	75,000	8,030,000	1,688,000	3,321,000	3,127,000	$ (908,000)				8,105,000	2,219,000	2,358,000	5,540,000		7,228,000
Net income (loss) attributable to common stockholders					(51,000)		134,000	289,000	$ 9,000	$ (265,000)					134,000	(265,000)	83,000	(256,000)		33,000
Deferred income taxes							$ (134,000)								$ (134,000)	$ 265,000	$ (83,000)	$ 256,000		(33,000)
Net operating loss carryforwards								(4,900,000)												(4,900,000)
Interest expense carryforward								4,900,000												4,900,000
Reduction to produced content assets								279,300,000												279,300,000
Increase to produced content assets								837,000												837,000
Decrease to acquired licensed content assets																				4,600,000
Decrease to accumulated amortization of content assets																				283,900,000
Non-cash lease liability expense			$ (4,700,000)
Other liabilities			$ 4,700,000
Adjustments | Radio Broadcasting Licenses [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Radio broadcasting licenses								(3,700,000)												(3,700,000)
Impairment of indefinite lived intangible assets						(3,700,000)							$ (1,600,000)	$ (1,600,000)
Adjustments | MGM investment classification
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt securities, available-for-sale								112,600,000												112,600,000
Other assets								40,000,000.0												40,000,000.0
Deferred tax liabilities, net								17,600,000												17,600,000
Accumulated other comprehensive income								(55,000,000.0)												(55,000,000.0)	$ 47,800,000
Unrealized gain (loss) on debt securities, available-for-sale																				7,200,000
Accumulated deficit								100,000												100,000
Adjustments | Radio broadcast license impairment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Deferred income tax assets								905,000												905,000
Impairment of long-lived assets																				2,100,000
Provision (benefit) for income taxes																				(510,000)
Comprehensive income																				(1,600,000)
Net income (loss) attributable to common stockholders																				1,600,000	1,200,000
Deferred income taxes																				510,000
Net cash flows provided by operating activities																				0
Net cash flows provided by investing activities																				0
Net cash flows provided by financing activities																				0
Adjustments | Radio broadcast license impairment | Radio Broadcasting Licenses [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated deficit								2,800,000												2,800,000
Adjustments | Radio broadcast license impairment | Radio Broadcasting Licenses [Member] | Atlanta Dallas Houston And Raleigh Market Radio Broadcasting Licenses [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Impairment of indefinite lived intangible assets					$ 1,000,000.0	$ 1,700,000
Adjustments | Right Of Use Asset [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accumulated deficit								(960,000)												(960,000)	$ (960,000)
Deferred income taxes																				(308,000)
Right of use assets								(1,300,000)												(1,300,000)
Adjustments | Reach Media Redeemable Noncontrolling Interest [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Additional paid-in capital								(1,200,000)												(1,200,000)
Redeemable noncontrolling interest, equity, redemption value								399,000												399,000
Redeemable noncontrolling interest and additional paid in capital Adjustment amount								$ 1,600,000												1,600,000
Adjustments | Launch assets [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net Revenue																				(1,200,000)
Selling, general and administrative, including stock-based compensation of $239 and $31, respectively																				$ (1,200,000)