ASSETS HELD FOR SALE (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Summary of the categories of property and equipment
Property, Plant and Equipment, Gross	$ 187,796	$ 181,861
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	128,322	124,870
Property Plant And Equipment Net	63,375	57,993
IntangibleAssetsGrossExcludingGoodwillAbstract
Indefinite-lived Intangible Assets	823,195	807,381	$ 718,992
Land and Land Improvements [Member]
Summary of the categories of property and equipment
Property, Plant and Equipment, Gross	0	3,972
Building [Member]
Summary of the categories of property and equipment
Property, Plant and Equipment, Gross	0	1,036
Equipment [Member]
Summary of the categories of property and equipment
Property, Plant and Equipment, Gross	0	497
Radio Broadcasting Licences [Member]
IntangibleAssetsGrossExcludingGoodwillAbstract
Indefinite-lived Intangible Assets	0	1,397
IntangibleAssetsGrossExcludingGoodwill	0	1,397
Total Assets
IntangibleAssetsGrossExcludingGoodwillAbstract
Assets Held for Sale	0	6,106
Net Assets Held for Sale	0	6,106
PropertyPlantAndEquipmentMember
Summary of the categories of property and equipment
Property, Plant and Equipment, Gross	0	5,505
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	0	796
Property Plant And Equipment Net	$ 0	$ 4,709