XML 12 R1.htm IDEA: XBRL DOCUMENT v3.4.0.3
Document And Entity Information - shares
3 Months Ended
Mar. 31, 2016
May. 02, 2016
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Entity Registrant Name RADIO ONE, INC.  
Entity Central Index Key 0001041657  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Trading Symbol ROIA  
Common Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,880,324
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,861,843
Common Class C [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   2,928,906
Common Class D [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   41,440,339