INTANGIBLE ASSETS AND GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012 number	Sep. 30, 2011
Changes in broadcasting licenses [Line Items]
Impairment loss	$ (22,307)
Market approach for step one goodwill analysis [Abstract]
Income model years used for the discounted cash flow approach	10
Changes in goodwill [Roll Forward]
Goodwill before cumulative loss on impairment	164,506	163,783
Accumulated loss on impairment	(125,615)	(125,615)
Beginning balance after cumulative loss on impairment	38,891	38,168
Loss on impairment during the year	0	0
Acquisition	212	723
Ending balance	39,103	38,891
Radio Broadcasting Licences [Member]
Changes in broadcasting licenses [Line Items]
Beginning of period balance	715,902	707,852
Impairment loss	(22,307)	0
Acquisition	25,061	8,050
Ending period balance	$ 718,656	$ 715,902

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