Contractual interest rate for funds borrowed, under the debt agreement.

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LONG-TERM DEBT - Legacy Notes (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Stated interest rate		8.75%
Total Legacy Notes		$ 20,472,917	$ 20,649,181
iHeart Communications Legacy Note
Debt Instrument [Line Items]
Principal amount held by a subsidiary			57,100
iHeartCommunications \| iHeart Communications Legacy Note
Debt Instrument [Line Items]
Principal amount held by a subsidiary		57,100
Legacy Notes
Debt Instrument [Line Items]
Total Legacy Notes		475,000	$ 475,000
Legacy Notes \| 5.5% Senior Notes Due 2016
Debt Instrument [Line Items]
Stated interest rate	5.50%
Legacy Notes \| iHeartCommunications \| 5.5% Senior Notes Due 2016
Debt Instrument [Line Items]
Repaid at maturity	$ 192,900
Total Legacy Notes	$ 57,100	$ 57,100