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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Document and Entity Information	6 Months Ended
Document and Entity Information	Jun. 30, 2011	Aug. 09, 2011 Class A Common Stock	Aug. 09, 2011 Class B Common Stock	Aug. 09, 2011 Class C Common Stock	Aug. 09, 2011 Class D Common Stock
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Trading Symbol	ROIA
Entity Registrant Name	RADIO ONE, INC.
Entity Central Index Key	0001041657
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		2,787,426	2,861,843	3,121,048	42,830,226