PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 50,415	$ 187,991
Less: Accumulated depreciation	(21,754)	(159,733)
Property and equipment, net	$ 28,661	28,258
Estimated Useful Lives	3 years
Depreciation and Amortization	$ 7,101	10,034
Depreciation	6	6,400
Land and improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 3,375	4,628
Estimated Useful Lives	0 years
Buildings
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 3,243	3,299
Estimated Useful Lives	31 years
Transmitters and towers
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 17,212	45,733
Transmitters and towers | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	15 years
Transmitters and towers | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	7 years
Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 10,204	67,025
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 897	9,357
Estimated Useful Lives	6 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	7 years
Software and web development
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 5,629	32,565
Estimated Useful Lives	3 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 9,841	25,231
Property, Plant and Equipment, Estimated Useful Lives	us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember
Construction-in-progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross, Total	$ 14	$ 153
Estimated Useful Lives	0 years