CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 6) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 46,426	$ 57,255	$ 43,884	$ 35,939
Short-term investments	3,212	1,597
Trade accounts receivable, net of allowance for doubtful accounts	83,736	81,912
Prepaid expenses and other current assets	10,330	7,110
Current portion of content assets	28,770	27,723
Current assets from discontinued operations	115	127
Total current assets	172,589	175,724
PROPERTY AND EQUIPMENT, net	34,790	35,282
INTANGIBLE ASSETS, net	1,190,665	1,202,562
CONTENT ASSETS, net	39,605	38,981
INVESTMENT IN SUBSIDIARIES	0	0
OTHER ASSETS	2,941	2,983
NON-CURRENT ASSETS FROM DISCONTINUED OPERATIONS	1,402	4,566
Total assets	1,442,060	1,460,195
LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND EQUITY
Accounts payable	6,533	5,410
Accrued interest	6,069	5,849
Accrued compensation and related benefits	8,966	11,165
Current portion of content payables	16,038	17,694
Other current liabilities	17,225	16,163
Current portion of long-term debt	3,840	4,587
Current liabilities from discontinued operations	112	107
Total current liabilities	58,783	60,975
LONG-TERM DEBT, net of current portion and original issue discount	813,536	814,131
CONTENT PAYABLES, net of current portion	10,835	11,163
OTHER LONG-TERM LIABILITIES	18,433	18,303
DEFERRED TAX LIABILITIES	194,853	188,249
NON-CURRENT LIABILITIES FROM DISCONTINUED OPERATIONS	16	23
Total liabilities	1,096,456	1,092,844
REDEEMABLE NONCONTROLLING INTERESTS	13,012	12,853
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Common stock	49	50
Accumulated other comprehensive income	(122)	(102)
Additional paid-in capital	1,005,045	1,006,873
Retained earnings (accumulated deficit)	(881,127)	(863,021)
Total stockholders' equity	123,845	143,800
Noncontrolling interest	208,747	210,698
Total Equity	332,592	354,498
Total liabilities, redeemable noncontrolling interests and equity	1,442,060	1,460,195
Radio One, Inc. [Member]
ASSETS
Cash and cash equivalents	22,833	22,512	24,430	19,361
Short-term investments	0	0
Trade accounts receivable, net of allowance for doubtful accounts	13,542	18,494
Prepaid expenses and other current assets	2,080	1,707
Current portion of content assets	0	0
Current assets from discontinued operations	125	124
Total current assets	38,580	42,837
PROPERTY AND EQUIPMENT, net	17,820	18,035
INTANGIBLE ASSETS, net	319,747	320,682
CONTENT ASSETS, net	0	0
INVESTMENT IN SUBSIDIARIES	664,343	678,165
OTHER ASSETS	1,870	2,095
NON-CURRENT ASSETS FROM DISCONTINUED OPERATIONS	0	0
Total assets	1,042,360	1,061,814
LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND EQUITY
Accounts payable	789	1,222
Accrued interest	5,540	5,320
Accrued compensation and related benefits	4,772	6,708
Current portion of content payables	0	0
Other current liabilities	(668)	2,625
Current portion of long-term debt	3,840	4,587
Current liabilities from discontinued operations	26	13
Total current liabilities	14,299	20,475
LONG-TERM DEBT, net of current portion and original issue discount	694,536	695,131
CONTENT PAYABLES, net of current portion	0	0
OTHER LONG-TERM LIABILITIES	15,070	14,833
DEFERRED TAX LIABILITIES	194,610	187,575
NON-CURRENT LIABILITIES FROM DISCONTINUED OPERATIONS	0	0
Total liabilities	918,515	918,014
REDEEMABLE NONCONTROLLING INTERESTS	0	0
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Common stock	49	50
Accumulated other comprehensive income	(122)	(102)
Additional paid-in capital	1,005,045	1,006,873
Retained earnings (accumulated deficit)	(881,127)	(863,021)
Total stockholders' equity	123,845	143,800
Noncontrolling interest	0	0
Total Equity	123,845	143,800
Total liabilities, redeemable noncontrolling interests and equity	1,042,360	1,061,814
Wholly-Owned Gurantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	1,023	1,342	(53)	33
Short-term investments	0	0
Trade accounts receivable, net of allowance for doubtful accounts	27,079	27,468
Prepaid expenses and other current assets	1,698	834
Current portion of content assets	0	0
Current assets from discontinued operations	(10)	3
Total current assets	29,790	29,647
PROPERTY AND EQUIPMENT, net	14,746	14,867
INTANGIBLE ASSETS, net	460,599	462,399
CONTENT ASSETS, net	0	0
INVESTMENT IN SUBSIDIARIES	154,758	163,499
OTHER ASSETS	180	231
NON-CURRENT ASSETS FROM DISCONTINUED OPERATIONS	1,402	4,566
Total assets	661,475	675,209
LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND EQUITY
Accounts payable	1,505	1,825
Accrued interest	0	0
Accrued compensation and related benefits	1,677	1,760
Current portion of content payables	0	0
Other current liabilities	3,897	4,023
Current portion of long-term debt	0	0
Current liabilities from discontinued operations	86	94
Total current liabilities	7,165	7,702
LONG-TERM DEBT, net of current portion and original issue discount	0	0
CONTENT PAYABLES, net of current portion	0	0
OTHER LONG-TERM LIABILITIES	824	884
DEFERRED TAX LIABILITIES	0	0
NON-CURRENT LIABILITIES FROM DISCONTINUED OPERATIONS	16	23
Total liabilities	8,005	8,609
REDEEMABLE NONCONTROLLING INTERESTS	0	0
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Common stock	0	0
Accumulated other comprehensive income	0	0
Additional paid-in capital	249,877	268,560
Retained earnings (accumulated deficit)	403,593	398,040
Total stockholders' equity	653,470	666,600
Noncontrolling interest	0	0
Total Equity	653,470	666,600
Total liabilities, redeemable noncontrolling interests and equity	661,475	675,209
Non Whollyowned Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	1,598	2,414	2,047	1,683
Short-term investments	0	0
Trade accounts receivable, net of allowance for doubtful accounts	5,243	4,088
Prepaid expenses and other current assets	5,592	3,593
Current portion of content assets	0	0
Current assets from discontinued operations	0	0
Total current assets	16,834	12,795
PROPERTY AND EQUIPMENT, net	460	469
INTANGIBLE ASSETS, net	16,005	16,225
CONTENT ASSETS, net	0	0
INVESTMENT IN SUBSIDIARIES	0	0
OTHER ASSETS	3	3
NON-CURRENT ASSETS FROM DISCONTINUED OPERATIONS	0	0
Total assets	33,302	29,492
LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND EQUITY
Accounts payable	941	314
Accrued interest	0	0
Accrued compensation and related benefits	632	925
Current portion of content payables	0	0
Other current liabilities	116	73
Current portion of long-term debt	0	0
Current liabilities from discontinued operations	0	0
Total current liabilities	10,486	5,455
LONG-TERM DEBT, net of current portion and original issue discount	0	0
CONTENT PAYABLES, net of current portion	0	0
OTHER LONG-TERM LIABILITIES	100	122
DEFERRED TAX LIABILITIES	243	674
NON-CURRENT LIABILITIES FROM DISCONTINUED OPERATIONS	0	0
Total liabilities	10,829	6,251
REDEEMABLE NONCONTROLLING INTERESTS	13,012	12,853
STOCKHOLDERS' EQUITY:
Preferred stock	0	0
Common stock	10	10
Accumulated other comprehensive income	0	0
Additional paid-in capital	40,976	41,135
Retained earnings (accumulated deficit)	(31,525)	(30,757)
Total stockholders' equity	9,461	10,388
Noncontrolling interest	0	0
Total Equity	9,461	10,388
Total liabilities, redeemable noncontrolling interests and equity	33,302	29,492
Non-Guarantor Subsidiaries [Member]
ASSETS
Cash and cash equivalents	20,972	30,987	17,460	14,862
Short-term investments	3,212	1,597
Trade accounts receivable, net of allowance for doubtful accounts	33,471	29,162
Prepaid expenses and other current assets	960	976
Current portion of content assets	28,770	27,723
Current assets from discontinued operations	0	0
Total current assets	87,385	90,445
PROPERTY AND EQUIPMENT, net	1,721	1,807
INTANGIBLE ASSETS, net	20,012	22,501
CONTENT ASSETS, net	39,605	38,981
INVESTMENT IN SUBSIDIARIES	0	0
OTHER ASSETS	1,682	1,541
NON-CURRENT ASSETS FROM DISCONTINUED OPERATIONS	0	0
Total assets	150,405	155,275
LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND EQUITY
Accounts payable	3,298	2,049
Accrued interest	529	529
Accrued compensation and related benefits	1,885	1,772
Current portion of content payables	16,038	17,694
Other current liabilities	5,083	5,299
Current portion of long-term debt	0	0
Current liabilities from discontinued operations	0	0
Total current liabilities	26,833	27,343
LONG-TERM DEBT, net of current portion and original issue discount	119,000	119,000
CONTENT PAYABLES, net of current portion	10,835	11,163
OTHER LONG-TERM LIABILITIES	2,803	2,828
DEFERRED TAX LIABILITIES	0	0
NON-CURRENT LIABILITIES FROM DISCONTINUED OPERATIONS	0	0
Total liabilities	159,471	160,334
REDEEMABLE NONCONTROLLING INTERESTS	0	0
STOCKHOLDERS' EQUITY:
Preferred stock	18	18
Common stock	18	18
Accumulated other comprehensive income	(26)	(6)
Additional paid-in capital	5,548	21,548
Retained earnings (accumulated deficit)	(14,624)	(26,637)
Total stockholders' equity	(9,066)	(5,059)
Noncontrolling interest	0	0
Total Equity	(9,066)	(5,059)
Total liabilities, redeemable noncontrolling interests and equity	150,405	155,275
Consolidation Adjustments [Member]
ASSETS
Cash and cash equivalents	0	0	0	0
Short-term investments	0	0
Trade accounts receivable, net of allowance for doubtful accounts	0	0
Prepaid expenses and other current assets	0	0
Current portion of content assets	0	0
Current assets from discontinued operations	0	0
Total current assets	0	0
PROPERTY AND EQUIPMENT, net	43	104
INTANGIBLE ASSETS, net	374,302	380,755
CONTENT ASSETS, net	0	0
INVESTMENT IN SUBSIDIARIES	(819,101)	(841,664)
OTHER ASSETS	(726)	(790)
NON-CURRENT ASSETS FROM DISCONTINUED OPERATIONS	0	0
Total assets	(445,482)	(461,595)
LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND EQUITY
Accounts payable	0	0
Accrued interest	0	0
Accrued compensation and related benefits	0	0
Current portion of content payables	0	0
Other current liabilities	0	0
Current portion of long-term debt	0	0
Current liabilities from discontinued operations	0	0
Total current liabilities	0	0
LONG-TERM DEBT, net of current portion and original issue discount	0	0
CONTENT PAYABLES, net of current portion	0	0
OTHER LONG-TERM LIABILITIES	(364)	(364)
DEFERRED TAX LIABILITIES	0	0
NON-CURRENT LIABILITIES FROM DISCONTINUED OPERATIONS	0	0
Total liabilities	(364)	(364)
REDEEMABLE NONCONTROLLING INTERESTS	0	0
STOCKHOLDERS' EQUITY:
Preferred stock	(18)	(18)
Common stock	(28)	(28)
Accumulated other comprehensive income	26	6
Additional paid-in capital	(296,401)	(331,243)
Retained earnings (accumulated deficit)	(357,444)	(340,646)
Total stockholders' equity	(653,865)	(671,929)
Noncontrolling interest	208,747	210,698
Total Equity	(445,118)	(461,231)
Total liabilities, redeemable noncontrolling interests and equity	$ (445,482)	$ (461,595)