CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues	$ 99,112	$ 102,964
Operating Income	15,529	13,802
Consolidated Net Income (Loss)	(12,415)	(75,185)
Net Income Attributable to Non-Controlling Interests	5,691	4,057
Consolidated Net Income (Loss) Attributable to Common Stockholders	(18,106)	(79,242)
Scenario, Previously Reported [Member]
Revenues	99,112	102,964
Operating Income	15,529	13,802
Consolidated Net Income (Loss)	(12,415)	(75,185)
Net Income Attributable to Non-Controlling Interests	5,691	4,057
Consolidated Net Income (Loss) Attributable to Common Stockholders	(18,106)	(79,242)
Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Radio One, Inc. [Member]
Revenues	24,647	30,012
Operating Income	2,098	3,500
Consolidated Net Income (Loss)	(18,106)	(79,242)
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	(18,106)	(79,242)
Radio One, Inc. [Member] | Scenario, Previously Reported [Member]
Revenues	57,649	71,939
Operating Income	11,031	7,609
Consolidated Net Income (Loss)	(12,415)	(75,185)
Net Income Attributable to Non-Controlling Interests	5,691	4,057
Consolidated Net Income (Loss) Attributable to Common Stockholders	(18,106)	(79,242)
Radio One, Inc. [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Radio One, Inc. [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	10,987	1,868
Operating Income	(1,435)	(50)
Consolidated Net Income (Loss)	(505)	2,423
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	(505)	2,423
Radio One, Inc. [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	(9,541)	(13,553)
Operating Income	1,094	1,111
Consolidated Net Income (Loss)	768	618
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	768	618
Radio One, Inc. [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	(35,991)	(32,236)
Operating Income	(15,041)	(11,771)
Consolidated Net Income (Loss)	(12,013)	(8,737)
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	(12,013)	(8,737)
Radio One, Inc. [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Revenues	1,543	1,994
Operating Income	6,449	6,601
Consolidated Net Income (Loss)	6,059	1,639
Net Income Attributable to Non-Controlling Interests	(5,691)	(4,057)
Consolidated Net Income (Loss) Attributable to Common Stockholders	11,750	5,696
Combined Subsidiary Guarantors [Member]
Revenues	30,476	29,157
Operating Income	5,933	6,243
Consolidated Net Income (Loss)	5,553	3,507
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	5,553	3,507
Combined Subsidiary Guarantors [Member] | Scenario, Previously Reported [Member]
Revenues	41,463	31,025
Operating Income	4,498	6,193
Consolidated Net Income (Loss)	5,048	5,930
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	5,048	5,930
Combined Subsidiary Guarantors [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Combined Subsidiary Guarantors [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	(10,987)	(1,868)
Operating Income	1,435	50
Consolidated Net Income (Loss)	505	(2,423)
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	505	(2,423)
Combined Subsidiary Guarantors [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Combined Subsidiary Guarantors [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Combined Subsidiary Guarantors [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non Whollyowned Guarantor Subsidiaries [Member]
Revenues	9,541	13,553
Operating Income	(1,094)	(1,111)
Consolidated Net Income (Loss)	(768)	(618)
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	(768)	(618)
Non Whollyowned Guarantor Subsidiaries [Member] | Scenario, Previously Reported [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	9,541	13,553
Operating Income	(1,094)	(1,111)
Consolidated Net Income (Loss)	(768)	(618)
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	(768)	(618)
Non Whollyowned Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non-Guarantor Subsidiaries [Member]
Revenues	35,991	32,236
Operating Income	15,041	11,771
Consolidated Net Income (Loss)	12,013	8,737
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	12,013	8,737
Non-Guarantor Subsidiaries [Member] | Scenario, Previously Reported [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non-Guarantor Subsidiaries [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non-Guarantor Subsidiaries [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non-Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Non-Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	35,991	32,236
Operating Income	15,041	11,771
Consolidated Net Income (Loss)	12,013	8,737
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	12,013	8,737
Non-Guarantor Subsidiaries [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Consolidation Adjustments [Member]
Revenues	(1,543)	(1,994)
Operating Income	(6,449)	(6,601)
Consolidated Net Income (Loss)	(11,107)	(7,569)
Net Income Attributable to Non-Controlling Interests	5,691	4,057
Consolidated Net Income (Loss) Attributable to Common Stockholders	(16,798)	(11,626)
Consolidation Adjustments [Member] | Scenario, Previously Reported [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	(5,048)	(5,930)
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	(5,048)	(5,930)
Consolidation Adjustments [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Consolidation Adjustments [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Consolidation Adjustments [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Consolidation Adjustments [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Revenues	0	0
Operating Income	0	0
Consolidated Net Income (Loss)	0	0
Net Income Attributable to Non-Controlling Interests	0	0
Consolidated Net Income (Loss) Attributable to Common Stockholders	0	0
Consolidation Adjustments [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Revenues	(1,543)	(1,994)
Operating Income	(6,449)	(6,601)
Consolidated Net Income (Loss)	(6,059)	(1,639)
Net Income Attributable to Non-Controlling Interests	5,691	4,057
Consolidated Net Income (Loss) Attributable to Common Stockholders	$ (11,750)	$ (5,696)