PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE ASSETS AND GOODWILL - Schedule of Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,909,230	$ 2,968,148
Accumulated Amortization	(2,168,722)	(2,014,488)
Transit, street furniture and other outdoor contractual rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	563,863	635,772
Accumulated Amortization	(426,752)	(457,060)
Customer / advertiser relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,222,519	1,222,518
Accumulated Amortization	(1,012,380)	(891,488)
Talent contracts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	319,384	319,384
Accumulated Amortization	(281,060)	(252,526)
Representation contracts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	253,511	239,142
Accumulated Amortization	(229,413)	(217,770)
Permanent easements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	159,782	156,349
Accumulated Amortization	0	0
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	390,171	394,983
Accumulated Amortization	$ (219,117)	$ (195,644)