CONDENSED CONSOLIDATING FINANCIAL STATEMENTS: (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net Cash Flows from Operating Activities	$ 45,447	$ 31,606	$ 17,836
Net Cash Flows from Investing Activities	(8,044)	55,800	(4,664)
Net Cash Flows from Financing Activities	(16,087)	(60,659)	(23,943)
Scenario, Previously Reported [Member]
Net Cash Flows from Operating Activities	45,447	31,606	17,836
Net Cash Flows from Investing Activities	(8,044)	55,800	(4,664)
Net Cash Flows from Financing Activities	(16,087)	(60,659)	(23,943)
Change from Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Change from Radio One, Inc. to Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Restatement of Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Radio One, Inc. [Member]
Net Cash Flows from Operating Activities	22,443	14,744	19,977
Net Cash Flows from Investing Activities	(10,946)	(7,947)	(4,541)
Net Cash Flows from Financing Activities	(8,346)	7,258	(21,099)
Radio One, Inc. [Member] | Scenario, Previously Reported [Member]
Net Cash Flows from Operating Activities	81,662	51,390	46,033
Net Cash Flows from Investing Activities	(45,583)	36,872	(36,621)
Net Cash Flows from Financing Activities	(16,087)	(60,659)	(21,099)
Radio One, Inc. [Member] | Change from Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Radio One, Inc. [Member] | Change from Radio One, Inc. to Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	(1,985)	90	2,759
Net Cash Flows from Investing Activities	2,000	0	0
Net Cash Flows from Financing Activities	0	0	(2,844)
Radio One, Inc. [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	(27,939)	(32,378)	(127)
Net Cash Flows from Investing Activities	(4,902)	(63,747)	123
Net Cash Flows from Financing Activities	15,985	82,487	6,113
Radio One, Inc. [Member] | Restatement of Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	(29,295)	(4,358)	(28,688)
Net Cash Flows from Investing Activities	37,539	18,928	31,957
Net Cash Flows from Financing Activities	(8,244)	(14,570)	(3,269)
Combined Subsidiary Guarantors [Member]
Net Cash Flows from Operating Activities	3,309	(946)	1,001
Net Cash Flows from Investing Activities	(2,000)	0	0
Net Cash Flows from Financing Activities	0	0	0
Combined Subsidiary Guarantors [Member] | Scenario, Previously Reported [Member]
Net Cash Flows from Operating Activities	1,324	(856)	3,760
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	(2,844)
Combined Subsidiary Guarantors [Member] | Change from Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Combined Subsidiary Guarantors [Member] | Change from Radio One, Inc. to Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	1,985	(90)	(2,759)
Net Cash Flows from Investing Activities	(2,000)	0	0
Net Cash Flows from Financing Activities		0	2,844
Combined Subsidiary Guarantors [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Combined Subsidiary Guarantors [Member] | Restatement of Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Non-Guarantor Subsidiaries [Member]
Net Cash Flows from Operating Activities	27,939	32,378	127
Net Cash Flows from Investing Activities	4,902	63,747	(123)
Net Cash Flows from Financing Activities	(15,985)	(82,487)	(6,113)
Non-Guarantor Subsidiaries [Member] | Scenario, Previously Reported [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Non-Guarantor Subsidiaries [Member] | Change from Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Non-Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Non-Guarantor Subsidiaries [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	27,939	32,378	127
Net Cash Flows from Investing Activities	4,902	63,747	(123)
Net Cash Flows from Financing Activities	(15,985)	(82,487)	(6,113)
Non-Guarantor Subsidiaries [Member] | Restatement of Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Consolidation Adjustments [Member]
Net Cash Flows from Operating Activities	(8,244)	(14,570)	(3,269)
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	8,244	14,570	3,269
Consolidation Adjustments [Member] | Scenario, Previously Reported [Member]
Net Cash Flows from Operating Activities	(37,539)	(18,928)	(31,957)
Net Cash Flows from Investing Activities	37,539	18,928	31,957
Net Cash Flows from Financing Activities	0	0	0
Consolidation Adjustments [Member] | Change from Guarantor to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Consolidation Adjustments [Member] | Change from Radio One, Inc. to Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Consolidation Adjustments [Member] | Change from Radio One, Inc. to Non-Guarantor [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	0	0	0
Net Cash Flows from Investing Activities	0	0	0
Net Cash Flows from Financing Activities	0	0	0
Consolidation Adjustments [Member] | Restatement of Consolidation Adjustments [Member] | Restatement Adjustment [Member]
Net Cash Flows from Operating Activities	29,295	4,358	28,688
Net Cash Flows from Investing Activities	(37,539)	(18,928)	(31,957)
Net Cash Flows from Financing Activities	$ 8,244	$ 14,570	$ 3,269