LONG-TERM DEBT - Certain Covenants and Events of Default (Details) - Revolving credit facility - CCOH - Line of Credit - CCO Receivables Based Credit Facility Due 2023	Jun. 01, 2018 USD ($)
Debt Instrument [Line Items]
Triggering event, borrowing capacity threshold	$ 7,500,000.0
Triggering event, percentage of aggregate commitments or borrowing base	10.00%
Minimum fixed charge coverage ratio required for four consecutive quarters	1.00