PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE ASSETS AND GOODWILL - Schedule Of Property, Plant And Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 4,365,512	$ 4,436,096
Less: accumulated depreciation	2,296,965	2,223,540
Property, plant and equipment, net	2,068,547	2,212,556
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	587,554	603,234
Structures
Property, Plant and Equipment [Line Items]
Property, plant and equipment	2,743,167	2,824,794
Towers, transmitters and studio equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	346,620	347,877
Furniture and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	605,515	591,149
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 82,656	$ 69,042