REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 933,562	$ 928,817	$ 1,740,572	$ 1,727,705
Revenue from leases	91	275	182	425
Revenue, total	933,653	929,092	1,740,754	1,728,130
Broadcast Radio
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	395,789	425,490	736,525	784,828
Networks
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	107,813	106,591	207,276	208,642
Sponsorship And Events
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	36,485	39,121	65,106	66,950
Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	188,407	179,918	348,527	327,077
Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	134,296	104,521	250,332	195,145
Audio And Media Services
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	66,352	68,746	124,319	136,538
Other
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	4,420	4,430	8,487	8,525
Operating segments \| Multiplatform Group
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	544,507	575,632	1,017,394	1,068,945
Revenue from leases	91	275	182	425
Revenue, total	544,598	575,907	1,017,576	1,069,370
Operating segments \| Multiplatform Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	395,789	425,490	736,525	784,828
Operating segments \| Multiplatform Group \| Networks
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	107,813	106,591	207,276	208,642
Operating segments \| Multiplatform Group \| Sponsorship And Events
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	36,485	39,121	65,106	66,950
Operating segments \| Multiplatform Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Multiplatform Group \| Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Multiplatform Group \| Audio And Media Services
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Multiplatform Group \| Other
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	4,420	4,430	8,487	8,525
Operating segments \| Digital Audio Group
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	323,856	285,614	601,143	524,582
Revenue from leases	0	0	0	0
Revenue, total	323,856	285,614	601,143	524,582
Operating segments \| Digital Audio Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Networks
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Sponsorship And Events
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	189,560	181,093	350,811	329,437
Operating segments \| Digital Audio Group \| Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	134,296	104,521	250,332	195,145
Operating segments \| Digital Audio Group \| Audio And Media Services
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Digital Audio Group \| Other
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	67,736	70,082	127,059	139,250
Revenue from leases	0	0	0	0
Revenue, total	67,736	70,082	127,059	139,250
Operating segments \| Audio & Media Services Group \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Networks
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Sponsorship And Events
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Operating segments \| Audio & Media Services Group \| Audio And Media Services
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	67,736	70,082	127,059	139,250
Operating segments \| Audio & Media Services Group \| Other
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Eliminations
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	(2,537)	(2,511)	(5,024)	(5,072)
Revenue from leases	0	0	0	0
Revenue, total	(2,537)	(2,511)	(5,024)	(5,072)
Eliminations \| Broadcast Radio
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Eliminations \| Networks
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Eliminations \| Sponsorship And Events
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Eliminations \| Digital, excluding Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	(1,153)	(1,175)	(2,284)	(2,360)
Eliminations \| Podcast
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	0	0	0	0
Eliminations \| Audio And Media Services
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	(1,384)	(1,336)	(2,740)	(2,712)
Eliminations \| Other
Disaggregation of Revenue [Line Items]
Total revenue from contracts with customers	$ 0	$ 0	$ 0	$ 0