Quarterly report pursuant to Section 13 or 15(d)

BROADCAST LICENSES (Details)

v3.7.0.1
BROADCAST LICENSES (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 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 28 307
Impairments based on estimated fair value of broadcast licenses 0 (6,540)
Balance, end of period before cumulative loss on impairment 494,204 494,058
Accumulated loss on impairment (105,541) (105,541)
Balance, end of period after cumulative loss on impairment 388,663 388,517
Radio Stations [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Acquisitions 0 74
FM Translators [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Acquisitions $ 118 $ 1,645