BASIS OF PRESENTATION - Schedule of Trade and Barter Revenues and Expenses (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
Segment Reporting Information [Line Items] | ||||
Trade and barter revenues | $ 40,318 | $ 52,023 | $ 97,710 | $ 112,444 |
Trade and barter expenses | 34,398 | 35,836 | 102,671 | 91,830 |
iHM | ||||
Segment Reporting Information [Line Items] | ||||
Trade and barter revenues | 35,992 | 47,184 | 89,938 | 103,280 |
Trade and barter expenses | $ 31,690 | $ 33,859 | $ 96,220 | $ 86,356 |