Quarterly report pursuant to Section 13 or 15(d)

CONTINGENT EARN-OUT CONSIDERATION (Narrative) (Details)

v2.4.1.9
CONTINGENT EARN-OUT CONSIDERATION (Narrative) (Details) (USD $)
3 Months Ended 0 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Feb. 06, 2015
Dec. 10, 2013
Jan. 10, 2014
Business Acquisition, Contingent Consideration [Line Items]          
Change in the estimated fair value of contingent earn-out consideration $ 118,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 $ 127,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1      
Cash paid toward the contingent earn-out consideration (300,000)salm_BusinessCombinationContingentConsiderationArrangementsPayment        
Bryan Perry's Cash Machine and Premium Income (business acquisition) [Member]          
Business Acquisition, Contingent Consideration [Line Items]          
Contingent earn-out consideration period     2 years    
Total contingent earn-out consideration     171,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirtyNineMember
   
Estimated fair value of contingent earn-out consideration     158,000us-gaap_BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirtyNineMember
   
Change in the estimated fair value of contingent earn-out consideration 0us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirtyNineMember
       
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 500,000us-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 33,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember
    400,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember
 
Cash paid toward the contingent earn-out consideration 600,000salm_BusinessCombinationContingentConsiderationArrangementsPayment
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionThirteenMember
       
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
       
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 1,800,000us-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 85,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember
      500,000us-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 $ 6,000,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= salm_BusinessAcquisitionTwentyEightMember