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IMPAIRMENT OF GOODWILL AND OTHER INDEFINITE-LIVED INTANGIBLE ASSETS (Tables)
6 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
The assumptions used reflect those of a hypothetical market participant and not necessarily the actual or projected results of Salem. The key estimates and assumptions used in the start-up income valuation for our broadcast licenses were as follows:
 
Long-term market revenue growth rate  1.9%
Operating profit margin ranges  (13.9)% - 30.8%
Risk-adjusted discount rate  9.0%