Annual report pursuant to Section 13 and 15(d)

CONTINGENT EARN-OUT CONSIDERATION (Narrative) (Details)

v2.4.1.9
CONTINGENT EARN-OUT CONSIDERATION (Narrative) (Details) (USD $)
 12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 10, 2013
Mar. 13, 2015
Jan. 10, 2014
Business Acquisition, Contingent Consideration [Line Items]            
Change in the estimated fair value of contingent earn-out consideration $ 734,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1            
Cash paid toward the contingent earn-out consideration (300,000)salm_BusinessCombinationContingentConsiderationArrangementsPayment          
Twitchy.com (business acquisition) [Member]            
Business Acquisition, Contingent Consideration [Line Items]            
Contingent earn-out consideration period 1 year     2 years    
Total contingent earn-out consideration       1,200,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember 		   
Estimated fair value of contingent earn-out consideration 400,000us-gaap_BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember 		    600,000us-gaap_BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember 		   
Change in the estimated fair value of contingent earn-out consideration       300,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember 		   
Twitchy.com (business acquisition) [Member] | Subsequent Event [Member]            
Business Acquisition, Contingent Consideration [Line Items]            
Cash paid toward the contingent earn-out consideration         600,000salm_BusinessCombinationContingentConsiderationArrangementsPayment
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		 
Maximum additional amount which may be paid over the remaining earn-out period based on the achievement of certain page view milestones         700,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		 
Eagle Publishing (business acquisition) [Member]            
Business Acquisition, Contingent Consideration [Line Items]            
Contingent earn-out consideration period 2 years         3 years
Total contingent earn-out consideration           8,500,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember
Estimated fair value of contingent earn-out consideration 1,700,000us-gaap_BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember 		        2,000,000us-gaap_BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember
Change in the estimated fair value of contingent earn-out consideration           400,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember
Cash paid toward the contingent earn-out consideration 900,000salm_BusinessCombinationContingentConsiderationArrangementsPayment
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember 		         
Maximum additional amount which may be paid over the remaining earn-out period based on the achievement of certain page view milestones $ 5,900,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember