REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 996,744	$ 1,008,014	$ 2,737,316	$ 2,735,719
Revenue from leases	266	119	448	544
Revenue, total	997,010	1,008,133	2,737,764	2,736,263
Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	427,024	448,808	1,163,549	1,233,636
Networks
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	114,273	115,310	321,549	323,952
Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	45,504	50,329	110,610	117,279
Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	200,890	185,807	549,417	512,884
Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	139,673	114,045	390,005	309,190
Audio and Media Services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	65,240	88,737	189,559	225,275
Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4,140	4,978	12,627	13,503
Operating segments \| Multiplatform Group
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	590,941	619,425	1,608,335	1,688,370
Revenue from leases	266	119	448	544
Revenue, total	591,207	619,544	1,608,783	1,688,914
Operating segments \| Multiplatform Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	427,024	448,808	1,163,549	1,233,636
Operating segments \| Multiplatform Group \| Networks
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	114,273	115,310	321,549	323,952
Operating segments \| Multiplatform Group \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	45,504	50,329	110,610	117,279
Operating segments \| Multiplatform Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Multiplatform Group \| Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Multiplatform Group \| Audio and Media Services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Multiplatform Group \| Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	4,140	4,978	12,627	13,503
Operating segments \| Digital Audio Group
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	341,691	301,041	942,834	825,623
Revenue from leases	0	0	0	0
Revenue, total	341,691	301,041	942,834	825,623
Operating segments \| Digital Audio Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Networks
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	202,018	186,996	552,829	516,433
Operating segments \| Digital Audio Group \| Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	139,673	114,045	390,005	309,190
Operating segments \| Digital Audio Group \| Audio and Media Services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	66,605	90,050	193,664	229,300
Revenue from leases	0	0	0	0
Revenue, total	66,605	90,050	193,664	229,300
Operating segments \| Audio & Media Services Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Networks
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Audio and Media Services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	66,605	90,050	193,664	229,300
Operating segments \| Audio & Media Services Group \| Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Eliminations
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	(2,493)	(2,502)	(7,517)	(7,574)
Revenue from leases	0	0	0	0
Revenue, total	(2,493)	(2,502)	(7,517)	(7,574)
Eliminations \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Eliminations \| Networks
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Eliminations \| Sponsorship and Events
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Eliminations \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	(1,128)	(1,189)	(3,412)	(3,549)
Eliminations \| Podcast
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0	0	0
Eliminations \| Audio and Media Services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	(1,365)	(1,313)	(4,105)	(4,025)
Eliminations \| Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 0	$ 0	$ 0	$ 0