REVENUE - Disaggregation of Revenue - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
| Disaggregation Of Revenue [Abstract] | ||
| Broadcast revenues | $ 284,465 | $ 274,453 |
| Event and other revenues | 19,526 | 22,609 |
| Trade and barter revenues | $ 5,014 | $ 3,498 |