CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED NET INCOME (LOSS)	$ (54,116)	$ 12,903	$ (26,625)
NET CHANGE IN UNREALIZED GAIN ON DERIVATIVE AND HEDGING ACTIVITIES		158	662
NET CHANGE IN UNREALIZED LOSS ON INVESTMENT ACTIVITIES	97	(199)	0
COMPREHENSIVE INCOME (LOSS)	(54,019)	12,862	(25,963)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	12,749	10,014	2,008
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	(66,768)	2,848	(27,971)
Guarantor Subsidiaries [Member]
CONSOLIDATED NET INCOME (LOSS)	37,539	18,928	31,957
NET CHANGE IN UNREALIZED GAIN ON DERIVATIVE AND HEDGING ACTIVITIES		0	0
NET CHANGE IN UNREALIZED LOSS ON INVESTMENT ACTIVITIES	0	0
COMPREHENSIVE INCOME (LOSS)	37,539	18,928	31,957
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	0	0	0
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	37,539	18,928	31,957
Radio One [Member]
CONSOLIDATED NET INCOME (LOSS)	(54,116)	12,903	(26,625)
NET CHANGE IN UNREALIZED GAIN ON DERIVATIVE AND HEDGING ACTIVITIES		158	662
NET CHANGE IN UNREALIZED LOSS ON INVESTMENT ACTIVITIES	97	(199)
COMPREHENSIVE INCOME (LOSS)	(54,019)	12,862	(25,963)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	12,749	10,014	2,008
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	(66,768)	2,848	(27,971)
Eliminations [Member]
CONSOLIDATED NET INCOME (LOSS)	(37,539)	(18,928)	(31,957)
NET CHANGE IN UNREALIZED GAIN ON DERIVATIVE AND HEDGING ACTIVITIES		0	0
NET CHANGE IN UNREALIZED LOSS ON INVESTMENT ACTIVITIES	0	0
COMPREHENSIVE INCOME (LOSS)	(37,539)	(18,928)	(31,957)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	0	0	0
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (37,539)	$ (18,928)	$ (31,957)