REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
|
| Disaggregation of Revenue [Line Items] | ||||
| Net revenues | $ 386,141 | $ 378,508 | $ 1,075,811 | $ 1,051,192 |
| Broadcast revenues [Member] | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Net revenues | 356,683 | 348,066 | 991,768 | 963,118 |
| Event and other revenues [Member] | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Net revenues | 25,353 | 26,391 | 71,754 | 77,252 |
| Trade and barter revenues [Member] | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Net revenues | $ 4,105 | $ 4,051 | $ 12,289 | $ 10,822 |