FAIR VALUE OF FINANCIAL INSTRUMENTS - Non-Recurring basis (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Radio broadcasting licenses	$ 100,512
Impairment loss on Radio broadcasting licences	22,307
Goodwill, Impairment Loss	0	0
Total - impairment loss	22,307	0	0
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Radio broadcasting licenses	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Radio broadcasting licenses	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Radio broadcasting licenses	$ 100,512