SEGMENT DATA Revenue by Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting [Abstract]
Television advertising	$ 101,287	$ 93,882	$ 354,470	$ 337,054
Carriage fees and subscriptions	19,745	17,731	58,816	54,936
Other	5,674	5,709	17,626	18,299
Total net revenues	$ 126,706	$ 117,322	$ 430,912	$ 410,289