Quarterly report pursuant to Section 13 or 15(d)

BROADCAST LICENSES (Details)

v3.8.0.1
BROADCAST LICENSES (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Indefinite-lived Intangible Assets [Line Items]    
Balance, beginning of period before cumulative loss on impairment $ 494,058 $ 492,032
Accumulated loss on impairment (105,541) (99,001)
Balance, beginning of period after cumulative loss on impairment 388,517 393,031
Capital projects to improve broadcast signal and strength 5 307
Impairments based on estimated fair value of broadcast licenses 0 (6,540)
Balance, end of period before cumulative loss on impairment 494,261 494,058
Accumulated loss on impairment (105,541) (105,541)
Balance, end of period after cumulative loss on impairment 388,720 388,517
Radio Stations [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Acquisitions 0 74
FM Translators [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Acquisitions $ 198 $ 1,645