REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 3,853,745	$ 3,749,012	$ 3,910,895
Revenue from leases	787	2,013	1,388
Revenue, total	3,854,532	3,751,025	3,912,283
Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenues	1,726,934	1,752,166	1,883,324
Networks
Disaggregation of Revenue [Line Items]
Revenues	437,212	466,404	503,244
Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenues	187,344	191,434	188,985
Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenues	711,110	656,519	658,154
Podcast
Disaggregation of Revenue [Line Items]
Revenues	448,779	407,848	358,432
Audio & Media Services
Disaggregation of Revenue [Line Items]
Revenues	321,734	251,290	298,954
Other
Disaggregation of Revenue [Line Items]
Revenues	20,632	23,351	19,802
Operating Segments \| Multiplatform Group
Disaggregation of Revenue [Line Items]
Revenues	2,372,122	2,433,355	2,595,802
Revenue from leases	787	2,013	1,388
Revenue, total	2,372,909	2,435,368	2,597,190
Operating Segments \| Multiplatform Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenues	1,726,934	1,752,166	1,883,324
Operating Segments \| Multiplatform Group \| Networks
Disaggregation of Revenue [Line Items]
Revenues	437,212	466,404	503,244
Operating Segments \| Multiplatform Group \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenues	187,344	191,434	188,985
Operating Segments \| Multiplatform Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Multiplatform Group \| Podcast
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Multiplatform Group \| Audio & Media Services
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Multiplatform Group \| Other
Disaggregation of Revenue [Line Items]
Revenues	20,632	23,351	20,249
Operating Segments \| Digital Audio Group
Disaggregation of Revenue [Line Items]
Revenues	1,164,515	1,069,167	1,021,824
Revenue from leases	0	0	0
Revenue, total	1,164,515	1,069,167	1,021,824
Operating Segments \| Digital Audio Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Digital Audio Group \| Networks
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Digital Audio Group \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Digital Audio Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenues	715,736	661,319	663,392
Operating Segments \| Digital Audio Group \| Podcast
Disaggregation of Revenue [Line Items]
Revenues	448,779	407,848	358,432
Operating Segments \| Digital Audio Group \| Audio & Media Services
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Digital Audio Group \| Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Audio & Media Services Group
Disaggregation of Revenue [Line Items]
Revenues	327,055	256,702	304,302
Revenue from leases	0	0	0
Revenue, total	327,055	256,702	304,302
Operating Segments \| Audio & Media Services Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Audio & Media Services Group \| Networks
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Audio & Media Services Group \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Audio & Media Services Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Audio & Media Services Group \| Podcast
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Operating Segments \| Audio & Media Services Group \| Audio & Media Services
Disaggregation of Revenue [Line Items]
Revenues	327,055	256,702	304,302
Operating Segments \| Audio & Media Services Group \| Other
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Consolidation, Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(9,947)	(10,212)	(11,033)
Revenue from leases	0	0	0
Revenue, total	(9,947)	(10,212)	(11,033)
Consolidation, Eliminations \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Consolidation, Eliminations \| Networks
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Consolidation, Eliminations \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Consolidation, Eliminations \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenues	(4,626)	(4,800)	(5,238)
Consolidation, Eliminations \| Podcast
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Consolidation, Eliminations \| Audio & Media Services
Disaggregation of Revenue [Line Items]
Revenues	(5,321)	(5,412)	(5,348)
Consolidation, Eliminations \| Other
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ (447)