Annual report pursuant to Section 13 and 15(d)

GOODWILL (Details)

v3.8.0.1
GOODWILL (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Goodwill [Line Items]      
Balance, beginning of period before cumulative loss on impairment, $ 27,642 $ 26,560  
Beginning Balance, Accumulated loss on impairment (2,029) (1,997)  
Balance, beginning of period after cumulative loss on impairment 25,613 24,563  
Impairments based on the estimated fair value 0 (32) $ (439)
Balance, end of period before cumulative loss on impairment 28,453 27,642 26,560
Ending Balance, Accumulated loss on impairment (2,029) (2,029) (1,997)
Ending period balance 26,424 25,613 $ 24,563
Radio Stations [Member]      
Goodwill [Line Items]      
Acquisitions 14 0  
Digital Media Entities [Member]      
Goodwill [Line Items]      
Acquisitions 810 237  
Publishing Entities [Member]      
Goodwill [Line Items]      
Acquisitions 0 845  
Broadcast business [Member]      
Goodwill [Line Items]      
Goodwill, Written off Related to Sale of Business Unit $ (13) $ 0