CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended										12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012		Mar. 31, 2012	Dec. 31, 2011		Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
NET REVENUE	$ 105,885	$ 109,894	$ 105,830	[1]	$ 102,964	$ 98,044	[2]	$ 104,352	$ 96,944	$ 64,899	$ 424,573	$ 364,239	$ 279,292
OPERATING EXPENSES:
Programming and technical											135,781	114,912	74,644
Selling, general and administrative, including stock-based compensation											137,792	126,451	103,092
Depreciation and amortization											38,715	37,069	17,385
Impairment of long-lived assets											313	22,331	36,063
Total operating expenses											353,058	338,613	264,106
Operating income (loss)	14,673	21,573	21,467	[1]	13,802	(8,842)	[2]	13,152	15,767	5,549	71,515	25,626	15,186
INTEREST INCOME											248	354	127
INTEREST EXPENSE											91,150	88,330	46,834
GAIN ON INVESTMENT IN AFFILIATED COMPANY											0	146,879	0
EQUITY IN INCOME OF AFFILIATED COMPANY											0	3,287	5,558
LOSS (GAIN) ON RETIREMENT OF DEBT											0	7,743	(6,646)
OTHER (INCOME) EXPENSE, net											1,357	324	3,061
Income (loss) before provision for income taxes, noncontrolling interests in income of subsidiaries and discontinued operations											(20,744)	79,749	(22,378)
PROVISION FOR INCOME TAXES											33,235	66,686	3,971
Net income (loss) before equity in income of subsidiaries and discontinued operations											(53,979)	13,063	(26,349)
EQUITY IN INCOME OF SUBSIDIARIES											0	0	0
Net income (loss) from continuing operations	(15,024)	(10,230)	46,445	[1]	(75,170)	(16,818)	[2]	(7,374)	101,289	(64,034)	(53,979)	13,063	(26,349)
(LOSS) INCOME FROM DISCONTINUED OPERATIONS, net of tax	(117)	(25)	20	[1]	(15)	(109)	[2]	(21)	(22)	(8)	(137)	(160)	(276)
Consolidated net income (loss)											(54,116)	12,903	(26,625)
NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS											12,749	10,014	2,008
Consolidated net income (loss) attributable to common stockholders	(17,227)	(13,064)	42,668	[1]	(79,242)	(21,538)	[2]	(9,878)	98,550	(64,245)	(66,865)	2,889	(28,633)
Selling, General and Administrative Expenses [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											137,792	126,451	103,092
Corporate [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											40,457	37,850	32,922
Guarantor Subsidiaries [Member]
NET REVENUE											138,672	129,866	134,444
OPERATING EXPENSES:
Programming and technical											31,607	32,300	33,999
Depreciation and amortization											7,170	7,995	9,825
Impairment of long-lived assets											313	14,509	0
Total operating expenses											99,788	110,352	102,555
Operating income (loss)											38,884	19,514	31,889
INTEREST INCOME											0	0	0
INTEREST EXPENSE											1,207	426	0
GAIN ON INVESTMENT IN AFFILIATED COMPANY												0
EQUITY IN INCOME OF AFFILIATED COMPANY												0	0
LOSS (GAIN) ON RETIREMENT OF DEBT												0	0
OTHER (INCOME) EXPENSE, net											0	0	(142)
Income (loss) before provision for income taxes, noncontrolling interests in income of subsidiaries and discontinued operations											37,677	19,088	32,031
PROVISION FOR INCOME TAXES											0	0	0
Net income (loss) before equity in income of subsidiaries and discontinued operations											37,677	19,088	32,031
EQUITY IN INCOME OF SUBSIDIARIES											0	0	0
Net income (loss) from continuing operations											37,677	19,088	32,031
(LOSS) INCOME FROM DISCONTINUED OPERATIONS, net of tax											(138)	(160)	(74)
Consolidated net income (loss)											37,539	18,928	31,957
NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS											0	0	0
Consolidated net income (loss) attributable to common stockholders											37,539	18,928	31,957
Guarantor Subsidiaries [Member] | Selling, General and Administrative Expenses [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											60,698	55,548	58,731
Guarantor Subsidiaries [Member] | Corporate [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											0	0	0
Radio One [Member]
NET REVENUE											285,901	234,373	144,848
OPERATING EXPENSES:
Programming and technical											104,174	82,612	40,645
Depreciation and amortization											31,545	29,074	7,560
Impairment of long-lived assets											0	7,822	36,063
Total operating expenses											253,270	228,261	161,551
Operating income (loss)											32,631	6,112	(16,703)
INTEREST INCOME											248	354	127
INTEREST EXPENSE											89,943	87,904	46,834
GAIN ON INVESTMENT IN AFFILIATED COMPANY												146,879
EQUITY IN INCOME OF AFFILIATED COMPANY												3,287	5,558
LOSS (GAIN) ON RETIREMENT OF DEBT												7,743	(6,646)
OTHER (INCOME) EXPENSE, net											1,357	324	3,203
Income (loss) before provision for income taxes, noncontrolling interests in income of subsidiaries and discontinued operations											(58,421)	60,661	(54,409)
PROVISION FOR INCOME TAXES											33,235	66,686	3,971
Net income (loss) before equity in income of subsidiaries and discontinued operations											(91,656)	(6,025)	(58,380)
EQUITY IN INCOME OF SUBSIDIARIES											37,539	18,928	31,957
Net income (loss) from continuing operations											(54,117)	12,903	(26,423)
(LOSS) INCOME FROM DISCONTINUED OPERATIONS, net of tax											1	0	(202)
Consolidated net income (loss)											(54,116)	12,903	(26,625)
NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS											12,749	10,014	2,008
Consolidated net income (loss) attributable to common stockholders											(66,865)	2,889	(28,633)
Radio One [Member] | Selling, General and Administrative Expenses [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											77,094	70,903	44,361
Radio One [Member] | Corporate [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											40,457	37,850	32,922
Non Guarantor Eliminations [Member]
NET REVENUE											0	0	0
OPERATING EXPENSES:
Programming and technical											0	0	0
Depreciation and amortization											0	0	0
Impairment of long-lived assets											0	0	0
Total operating expenses											0	0	0
Operating income (loss)											0	0	0
INTEREST INCOME											0	0	0
INTEREST EXPENSE											0	0	0
GAIN ON INVESTMENT IN AFFILIATED COMPANY												0
EQUITY IN INCOME OF AFFILIATED COMPANY												0	0
LOSS (GAIN) ON RETIREMENT OF DEBT												0	0
OTHER (INCOME) EXPENSE, net											0	0	0
Income (loss) before provision for income taxes, noncontrolling interests in income of subsidiaries and discontinued operations											0	0	0
PROVISION FOR INCOME TAXES											0	0	0
Net income (loss) before equity in income of subsidiaries and discontinued operations											0	0	0
EQUITY IN INCOME OF SUBSIDIARIES											(37,539)	(18,928)	(31,957)
Net income (loss) from continuing operations											(37,539)	(18,928)	(31,957)
(LOSS) INCOME FROM DISCONTINUED OPERATIONS, net of tax											0	0	0
Consolidated net income (loss)											(37,539)	(18,928)	(31,957)
NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS											0	0	0
Consolidated net income (loss) attributable to common stockholders											(37,539)	(18,928)	(31,957)
Non Guarantor Eliminations [Member] | Selling, General and Administrative Expenses [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											0	0	0
Non Guarantor Eliminations [Member] | Corporate [Member]
OPERATING EXPENSES:
Selling, general and administrative, including stock-based compensation											$ 0	$ 0	$ 0

[1] The net income from continuing operations for the quarter ended June 30, 2012 includes $313,000 of pre-tax impairment charges.

[2] The net loss from continuing operations for the quarter ended December 31, 2011 includes approximately $22.3 million of pre-tax impairment charges.