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LONG-TERM DEBT - 10.0% Senior Notes due 2018 (Narrative) (Details) - USD ($)
$ in Millions
Jan. 16, 2018
Jan. 04, 2018
Dec. 31, 2018
Dec. 31, 2017
Debt Instrument [Line Items]        
Stated interest rate     8.75%  
10.0% Senior Notes Due 2018        
Debt Instrument [Line Items]        
Stated interest rate     10.00% 10.00%
iHeartCommunications | 10.0% Senior Notes Due 2018        
Debt Instrument [Line Items]        
Repayments of senior notes $ 42.1 $ 5.3    
iHeartCommunications | Senior Notes | 10.0% Senior Notes Due 2018        
Debt Instrument [Line Items]        
Senior notes exchanged for Priority Guarantee Notes $ 42.1 $ 5.4