SEGMENT DATA - Reconciliation of Revenues to Segment Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Total revenue	$ 977,239	$ 933,653	$ 1,861,439	$ 1,740,754
Revenue	977,239	933,653	1,861,439	1,740,754
Segment Adjusted EBITDA	218,448	227,695	376,674	400,583
Operating segments \| Multiplatform Group
Segment Reporting [Line Items]
Total revenue	535,667	544,598	1,029,130	1,017,576
Revenue	535,667	544,598	1,029,130	1,017,576
Direct operating expenses	204,422	218,052	403,948	417,721
Selling, general and administrative expenses	272,636	230,182	519,609	433,484
Segment Adjusted EBITDA	58,609	96,364	105,573	166,371
Operating segments \| Digital Audio Group
Segment Reporting [Line Items]
Total revenue	364,080	323,856	691,222	601,143
Revenue	364,080	323,856	691,222	601,143
Direct operating expenses	183,280	161,811	353,380	307,732
Selling, general and administrative expenses	57,624	54,435	127,851	98,718
Segment Adjusted EBITDA	123,176	107,610	209,991	194,693
Operating segments \| Audio & Media Services Group
Segment Reporting [Line Items]
Total revenue	80,465	67,736	147,046	127,059
Revenue	80,465	67,736	147,046	127,059
Direct operating expenses	8,060	7,474	14,260	14,558
Selling, general and administrative expenses	35,742	36,541	71,676	72,982
Segment Adjusted EBITDA	36,663	23,721	61,110	39,519
Inter-segment elimination
Segment Reporting [Line Items]
Total revenue	$ (2,973)	$ (2,537)	$ (5,959)	$ (5,024)