CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Comprehensive Income Attributable to Non-Controlling Interests	$ 5,691	$ 4,057
Scenario, Previously Reported [Member]
Comprehensive Income Attributable to Non-Controlling Interests	5,691	4,057
Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Radio One, Inc. [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Radio One, Inc. [Member] | Scenario, Previously Reported [Member]
Comprehensive Income Attributable to Non-Controlling Interests	5,691	4,057
Radio One, Inc. [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Radio One, Inc. [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Radio One, Inc. [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Radio One, Inc. [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Radio One, Inc. [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	(5,691)	(4,057)
Combined Subsidiary Guarantors [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Combined Subsidiary Guarantors [Member] | Scenario, Previously Reported [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Combined Subsidiary Guarantors [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Combined Subsidiary Guarantors [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Combined Subsidiary Guarantors [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Combined Subsidiary Guarantors [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Combined Subsidiary Guarantors [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non Whollyowned Guarantor Subsidiaries [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Scenario, Previously Reported [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non Whollyowned Guarantor Subsidiaries [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non-Guarantor Subsidiaries [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non-Guarantor Subsidiaries [Member] | Scenario, Previously Reported [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non-Guarantor Subsidiaries [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non-Guarantor Subsidiaries [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non-Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non-Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Non-Guarantor Subsidiaries [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Consolidation Adjustments [Member]
Comprehensive Income Attributable to Non-Controlling Interests	5,691	4,057
Consolidation Adjustments [Member] | Scenario, Previously Reported [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Consolidation Adjustments [Member] | Change from Combined Subsidiary Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Consolidation Adjustments [Member] | Change From Radio One, Inc. to Combined Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Consolidation Adjustments [Member] | Change from Radio One, Inc. to Non-Wholly Owned Subsidiary Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Consolidation Adjustments [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	0	0
Consolidation Adjustments [Member] | Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Comprehensive Income Attributable to Non-Controlling Interests	$ 5,691	$ 4,057