Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS AND RECENT TRANSACTIONS (Summary of Business Acquisitions and Asset Purchases) (Details)

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ACQUISITIONS AND RECENT TRANSACTIONS (Summary of Business Acquisitions and Asset Purchases) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 27, 2015
Feb. 06, 2015
Business Acquisition [Line Items]      
Business acquisition, total cost $ 1,580us-gaap_BusinessCombinationConsiderationTransferred1    
Purchase of domain names and digital media assets (asset purchases)      
Business Acquisition [Line Items]      
Business acquisition, total cost 122us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyNineMember
   
Radio station, WDYZ-AM in Orlando, Florida (business acquisition)      
Business Acquisition [Line Items]      
Business acquisition, total cost   1,300us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirtyFiveMember
 
Business acquisition, date   Mar. 27, 2015  
Bryan Perry's Cash Machine and Premium Income (business acquisition) [Member]      
Business Acquisition [Line Items]      
Business acquisition, total cost     $ 158us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirtyNineMember
Business acquisition, date     Feb. 06, 2015