SEGMENT DATA Revenues (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting [Abstract]
Television advertising									$ 532,600	$ 505,498	$ 565,601
Carriage fees and subscriptions									78,606	73,058	80,487
Other									26,807	27,285	34,705
Total net revenues	$ 207,101	$ 126,706	$ 175,206	$ 129,000	$ 195,552	$ 117,322	$ 166,834	$ 126,133	$ 638,013	$ 605,841	$ 680,793