Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
 12 Months Ended
Dec. 31, 2016
Buildings [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 40 years
Office furnishings and equipment [Member] | Minimum [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Office furnishings and equipment [Member] | Maximum [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 10 years
Antennae, towers and transmitting equipment [Member] | Minimum [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 10 years
Antennae, towers and transmitting equipment [Member] | Maximum [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 20 years
Studio, production and mobile equipment [Member] | Minimum [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Studio, production and mobile equipment [Member] | Maximum [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 10 years
Computer software and website development costs [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Record and tape libraries [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Automobiles [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Leasehold improvements [Member]  
Property Plant and Equipment Estimated Useful Lives [Line Items]  
Property plant and equipment, estimated useful life, description Lesser of useful life or remaining lease term