Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v3.7.0.1
Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Feb. 24, 2017
Jun. 30, 2016
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Entity Registrant Name SALEM MEDIA GROUP, INC. /DE/    
Entity Central Index Key 0001050606    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 76,710,413
Trading Symbol SALM    
Common Class A [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   20,455,572  
Common Class B [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   5,553,696