Quarterly report pursuant to Section 13 or 15(d)

CONTINGENT EARN-OUT CONSIDERATION (Schedule of Changes in Present Value of Acquisition Related Contingent Earn-out Consideration) (Details)

v2.4.1.9
CONTINGENT EARN-OUT CONSIDERATION (Schedule of Changes in Present Value of Acquisition Related Contingent Earn-out Consideration) (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Business Acquisition, Contingent Consideration [Line Items]    
Beginning Balance as of January 1, 2014 $ 3,285,000salm_BusinessAcquisitionContingentConsiderationAtPresentValue  
Acquisitions 158,000salm_FairValueBusinessCombinationContingentConsideration  
Accretion of acquisition-related contingent consideration 25,000salm_AccretionOfAcquisitionRelatedContingentConsideration  
Change in the estimated fair value of contingent earn-out consideration 118,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 127,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
Reclassification of payments due in next 12 months to short-term     
Payments (300,000)salm_BusinessCombinationContingentConsiderationArrangementsPayment  
Ending Balance as of December 31, 2014 3,286,000salm_BusinessAcquisitionContingentConsiderationAtPresentValue  
Short Term Accrued Expenses [Member]    
Business Acquisition, Contingent Consideration [Line Items]    
Beginning Balance as of January 1, 2014 1,575,000salm_BusinessAcquisitionContingentConsiderationAtPresentValue
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_ShortTermAccruedExpensesMember
 
Acquisitions 88,000salm_FairValueBusinessCombinationContingentConsideration
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_ShortTermAccruedExpensesMember
 
Accretion of acquisition-related contingent consideration 10,000salm_AccretionOfAcquisitionRelatedContingentConsideration
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_ShortTermAccruedExpensesMember
 
Change in the estimated fair value of contingent earn-out consideration 80,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_ShortTermAccruedExpensesMember
 
Reclassification of payments due in next 12 months to short-term 798,000salm_ReclassificationFromLongTermBorrowingToShorttermBorrowing
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_ShortTermAccruedExpensesMember
 
Payments (300,000)salm_BusinessCombinationContingentConsiderationArrangementsPayment
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_ShortTermAccruedExpensesMember
 
Ending Balance as of December 31, 2014 2,251,000salm_BusinessAcquisitionContingentConsiderationAtPresentValue
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_ShortTermAccruedExpensesMember
 
Long Term Other Liabilities [Member]    
Business Acquisition, Contingent Consideration [Line Items]    
Beginning Balance as of January 1, 2014 1,710,000salm_BusinessAcquisitionContingentConsiderationAtPresentValue
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_LongTermOtherLiabilitiesMember
 
Acquisitions 70,000salm_FairValueBusinessCombinationContingentConsideration
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_LongTermOtherLiabilitiesMember
 
Accretion of acquisition-related contingent consideration 15,000salm_AccretionOfAcquisitionRelatedContingentConsideration
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_LongTermOtherLiabilitiesMember
 
Change in the estimated fair value of contingent earn-out consideration 38,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_LongTermOtherLiabilitiesMember
 
Reclassification of payments due in next 12 months to short-term (798,000)salm_ReclassificationFromLongTermBorrowingToShorttermBorrowing
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_LongTermOtherLiabilitiesMember
 
Payments     
Ending Balance as of December 31, 2014 $ 1,035,000salm_BusinessAcquisitionContingentConsiderationAtPresentValue
/ us-gaap_ContingentConsiderationByTypeAxis
= salm_LongTermOtherLiabilitiesMember