Quarterly report pursuant to Section 13 or 15(d)

BROADCAST LICENSES (Details)

v3.10.0.1
BROADCAST LICENSES (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Indefinite-lived Intangible Assets [Line Items]    
Balance, beginning of period before cumulative loss on impairment $ 486,455 $ 494,058
Accumulated loss on impairment, Beginning Balance (105,541) (105,541)
Balance, beginning of period after cumulative loss on impairment 380,914 388,517
Acquisitions of radio stations 0 198
Capital projects to improve broadcast signal and strength 0 5
Dispositions of radio stations (8,013) (7,997)
Balance, end of period before cumulative loss on impairment 479,503 486,455
Accumulated loss on impairment, Ending Balance (105,541) (105,541)
Balance, end of period after cumulative loss on impairment 373,962 380,914
Radio Stations [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Acquisitions of radio stations $ 1,061 $ 191